{"id":7986,"date":"2021-06-08T21:58:44","date_gmt":"2021-06-08T21:58:44","guid":{"rendered":"https:\/\/opentextbc.ca\/introductorychemistry\/back-matter\/appendix-selected-acid-dissociation-constants-at-25c\/"},"modified":"2021-10-27T17:06:51","modified_gmt":"2021-10-27T17:06:51","slug":"appendix-selected-acid-dissociation-constants-at-25c","status":"publish","type":"back-matter","link":"https:\/\/opentextbc.ca\/introductorychemistry\/back-matter\/appendix-selected-acid-dissociation-constants-at-25c\/","title":{"raw":"Appendix B: Selected Acid Dissociation Constants at 25\u00b0C","rendered":"Appendix B: Selected Acid Dissociation Constants at 25\u00b0C"},"content":{"raw":"<table class=\"aligncenter\" style=\"width: 100%; border-spacing: 0px;\" border=\"0\" cellspacing=\"0px\" cellpadding=\"0\"><caption>Selected Acid Dissociation Constants at 25\u00b0C<\/caption>\r\n<thead>\r\n<tr>\r\n<th scope=\"col\">Name<\/th>\r\n<th scope=\"col\">Formula<\/th>\r\n<th scope=\"col\">K\u00a0a1<\/th>\r\n<th scope=\"col\">pKa1<\/th>\r\n<th scope=\"col\">K\u00a0a2<\/th>\r\n<th scope=\"col\">pKa2<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td valign=\"top\">Acetic acid<\/td>\r\n<td valign=\"top\">CH<sub>3<\/sub>CO<sub>2<\/sub>H<\/td>\r\n<td valign=\"top\">1.75\u00a0\u00d7\u00a010<sup>\u22125<\/sup><\/td>\r\n<td valign=\"top\">4.756<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Arsenic acid<\/td>\r\n<td valign=\"top\">H<sub>3<\/sub>AsO<sub>4<\/sub><\/td>\r\n<td valign=\"top\">5.5\u00a0\u00d7\u00a010<sup>\u22123<\/sup><\/td>\r\n<td valign=\"top\">2.26<\/td>\r\n<td valign=\"top\">1.7\u00a0\u00d7\u00a010<sup>\u22127<\/sup><\/td>\r\n<td valign=\"top\">6.76<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Benzoic acid<\/td>\r\n<td valign=\"top\">C<sub>6<\/sub>H<sub>5<\/sub>CO<sub>2<\/sub>H<\/td>\r\n<td valign=\"top\">6.25\u00a0\u00d7\u00a010<sup>\u22125<\/sup><\/td>\r\n<td valign=\"top\">4.204<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Boric acid<\/td>\r\n<td valign=\"top\">H<sub>3<\/sub>BO<sub>3<\/sub><\/td>\r\n<td valign=\"top\">5.4\u00a0\u00d7\u00a010<sup>\u221210<\/sup>*<\/td>\r\n<td valign=\"top\">9.27*<\/td>\r\n<td valign=\"top\">&gt;1\u00a0\u00d7\u00a010<sup>\u221214<\/sup>*<\/td>\r\n<td valign=\"top\">&gt;14*<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Bromoacetic acid<\/td>\r\n<td valign=\"top\">CH<sub>2<\/sub>BrCO<sub>2<\/sub>H<\/td>\r\n<td valign=\"top\">1.3\u00a0\u00d7\u00a010<sup>\u22123<\/sup><\/td>\r\n<td valign=\"top\">2.90<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Carbonic acid<\/td>\r\n<td valign=\"top\">H<sub>2<\/sub>CO<sub>3<\/sub><\/td>\r\n<td valign=\"top\">4.5\u00a0\u00d7\u00a010<sup>\u22127<\/sup><\/td>\r\n<td valign=\"top\">6.35<\/td>\r\n<td valign=\"top\">4.7\u00a0\u00d7\u00a010<sup>\u221211<\/sup><\/td>\r\n<td valign=\"top\">10.33<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Chloroacetic acid<\/td>\r\n<td valign=\"top\">CH<sub>2<\/sub>ClCO<sub>2<\/sub>H<\/td>\r\n<td valign=\"top\">1.3\u00a0\u00d7\u00a010<sup>\u22123<\/sup><\/td>\r\n<td valign=\"top\">2.87<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Chlorous acid<\/td>\r\n<td valign=\"top\">HClO<sub>2<\/sub><\/td>\r\n<td valign=\"top\">1.1\u00a0\u00d7\u00a010<sup>\u22122<\/sup><\/td>\r\n<td valign=\"top\">1.94<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Chromic acid<\/td>\r\n<td valign=\"top\">H<sub>2<\/sub>CrO<sub>4<\/sub><\/td>\r\n<td valign=\"top\">1.8\u00a0\u00d7\u00a010<sup>\u22121<\/sup><\/td>\r\n<td valign=\"top\">0.74<\/td>\r\n<td valign=\"top\">3.2\u00a0\u00d7\u00a010<sup>\u22127<\/sup><\/td>\r\n<td valign=\"top\">6.49<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Citric acid<\/td>\r\n<td valign=\"top\">C<sub>6<\/sub>H<sub>8<\/sub>O<sub>7<\/sub><\/td>\r\n<td valign=\"top\">7.4\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\r\n<td valign=\"top\">3.13<\/td>\r\n<td valign=\"top\">1.7\u00a0\u00d7\u00a010<sup>\u22125<\/sup><\/td>\r\n<td valign=\"top\">4.76<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Cyanic acid<\/td>\r\n<td valign=\"top\">HCNO<\/td>\r\n<td valign=\"top\">3.5\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\r\n<td valign=\"top\">3.46<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Dichloroacetic acid<\/td>\r\n<td valign=\"top\">CHCl<sub>2<\/sub>CO<sub>2<\/sub>H<\/td>\r\n<td valign=\"top\">4.5\u00a0\u00d7\u00a010<sup>\u22122<\/sup><\/td>\r\n<td valign=\"top\">1.35<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Fluoroacetic acid<\/td>\r\n<td valign=\"top\">CH<sub>2<\/sub>FCO<sub>2<\/sub>H<\/td>\r\n<td valign=\"top\">2.6\u00a0\u00d7\u00a010<sup>\u22123<\/sup><\/td>\r\n<td valign=\"top\">2.59<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Formic acid<\/td>\r\n<td valign=\"top\">CH<sub>2<\/sub>O<sub>2<\/sub><\/td>\r\n<td valign=\"top\">1.8\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\r\n<td valign=\"top\">3.75<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Hydrazoic acid<\/td>\r\n<td valign=\"top\">HN<sub>3<\/sub><\/td>\r\n<td valign=\"top\">2.5\u00a0\u00d7\u00a010<sup>\u22125<\/sup><\/td>\r\n<td valign=\"top\">4.6<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Hydrocyanic acid<\/td>\r\n<td valign=\"top\">HCN<\/td>\r\n<td valign=\"top\">6.2\u00a0\u00d7\u00a010<sup>\u221210<\/sup><\/td>\r\n<td valign=\"top\">9.21<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Hydrofluoric acid<\/td>\r\n<td valign=\"top\">HF<\/td>\r\n<td valign=\"top\">6.3\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\r\n<td valign=\"top\">3.20<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Hydrogen selenide<\/td>\r\n<td valign=\"top\">H<sub>2<\/sub>Se<\/td>\r\n<td valign=\"top\">1.3\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\r\n<td valign=\"top\">3.89<\/td>\r\n<td valign=\"top\">1.0\u00d7 10<sup>\u221211<\/sup><\/td>\r\n<td valign=\"top\">11.0<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Hydrogen sulfide<\/td>\r\n<td valign=\"top\">H<sub>2<\/sub>S<\/td>\r\n<td valign=\"top\">8.9\u00a0\u00d7\u00a010<sup>\u22128<\/sup><\/td>\r\n<td valign=\"top\">7.05<\/td>\r\n<td valign=\"top\">1\u00a0\u00d7\u00a010<sup>\u221219<\/sup><\/td>\r\n<td valign=\"top\">19<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Hydrogen telluride<\/td>\r\n<td valign=\"top\">H<sub>2<\/sub>Te<\/td>\r\n<td valign=\"top\">2.5\u00a0\u00d7\u00a010<sup>\u22123\u2021<\/sup><\/td>\r\n<td valign=\"top\">2.6<sup>\u2021<\/sup><\/td>\r\n<td valign=\"top\">1\u00a0\u00d7\u00a010<sup>\u221211<\/sup><\/td>\r\n<td valign=\"top\">11<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Hypobromous acid<\/td>\r\n<td valign=\"top\">HBrO<\/td>\r\n<td valign=\"top\">2.8\u00a0\u00d7\u00a010<sup>\u22129<\/sup><\/td>\r\n<td valign=\"top\">8.55<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Hypochlorous acid<\/td>\r\n<td valign=\"top\">HClO<\/td>\r\n<td valign=\"top\">4.0\u00a0\u00d7\u00a010<sup>\u22128<\/sup><\/td>\r\n<td valign=\"top\">7.40<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Hypoiodous acid<\/td>\r\n<td valign=\"top\">HIO<\/td>\r\n<td valign=\"top\">3.2\u00a0\u00d7\u00a010<sup>\u221211<\/sup><\/td>\r\n<td valign=\"top\">10.5<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Iodic acid<\/td>\r\n<td valign=\"top\">HIO<sub>3<\/sub><\/td>\r\n<td valign=\"top\">1.7\u00a0\u00d7\u00a010<sup>\u22121<\/sup><\/td>\r\n<td valign=\"top\">0.78<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Iodoacetic acid<\/td>\r\n<td valign=\"top\">CH<sub>2<\/sub>ICO<sub>2<\/sub>H<\/td>\r\n<td valign=\"top\">6.6\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\r\n<td valign=\"top\">3.18<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Nitrous acid<\/td>\r\n<td valign=\"top\">HNO<sub>2<\/sub><\/td>\r\n<td valign=\"top\">5.6\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\r\n<td valign=\"top\">3.25<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Oxalic acid<\/td>\r\n<td valign=\"top\">C<sub>2<\/sub>H<sub>2<\/sub>O<sub>4<\/sub><\/td>\r\n<td valign=\"top\">5.6\u00a0\u00d7\u00a010<sup>\u22122<\/sup><\/td>\r\n<td valign=\"top\">1.25<\/td>\r\n<td valign=\"top\">1.5\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\r\n<td valign=\"top\">3.81<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Periodic acid<\/td>\r\n<td valign=\"top\">HIO<sub>4<\/sub><\/td>\r\n<td valign=\"top\">2.3\u00a0\u00d7\u00a010<sup>\u22122<\/sup><\/td>\r\n<td valign=\"top\">1.64<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Phenol<\/td>\r\n<td valign=\"top\">C<sub>6<\/sub>H<sub>5<\/sub>OH<\/td>\r\n<td valign=\"top\">1.0\u00a0\u00d7\u00a010<sup>\u221210<\/sup><\/td>\r\n<td valign=\"top\">9.99<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Phosphoric acid<\/td>\r\n<td valign=\"top\">H<sub>3<\/sub>PO<sub>4<\/sub><\/td>\r\n<td valign=\"top\">6.9\u00a0\u00d7\u00a010<sup>\u22123<\/sup><\/td>\r\n<td valign=\"top\">2.16<\/td>\r\n<td valign=\"top\">6.2\u00a0\u00d7\u00a010<sup>\u22128<\/sup><\/td>\r\n<td valign=\"top\">7.21<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Phosphorous acid<\/td>\r\n<td valign=\"top\">H<sub>3<\/sub>PO<sub>3<\/sub><\/td>\r\n<td valign=\"top\">5.0\u00a0\u00d7\u00a010<sup>\u22122<\/sup>*<\/td>\r\n<td valign=\"top\">1.3*<\/td>\r\n<td valign=\"top\">2.0\u00a0\u00d7\u00a010<sup>\u22127<\/sup>*<\/td>\r\n<td valign=\"top\">6.70*<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Pyrophosphoric acid<\/td>\r\n<td valign=\"top\">H<sub>4<\/sub>P<sub>2<\/sub>O<sub>7<\/sub><\/td>\r\n<td valign=\"top\">1.2\u00a0\u00d7\u00a010<sup>\u22121<\/sup><\/td>\r\n<td valign=\"top\">0.91<\/td>\r\n<td valign=\"top\">7.9\u00a0\u00d7\u00a010<sup>\u22123<\/sup><\/td>\r\n<td valign=\"top\">2.10<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Resorcinol<\/td>\r\n<td valign=\"top\">C<sub>6<\/sub>H<sub>4<\/sub>(OH)<sub>2<\/sub><\/td>\r\n<td valign=\"top\">4.8\u00a0\u00d7\u00a010<sup>\u221210<\/sup><\/td>\r\n<td valign=\"top\">9.32<\/td>\r\n<td valign=\"top\">7.9\u00a0\u00d7\u00a010<sup>\u221212<\/sup><\/td>\r\n<td valign=\"top\">11.1<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Selenic acid<\/td>\r\n<td valign=\"top\">H<sub>2<\/sub>SeO<sub>4<\/sub><\/td>\r\n<td valign=\"top\">Strong<\/td>\r\n<td valign=\"top\">Strong<\/td>\r\n<td valign=\"top\">2.0\u00a0\u00d7\u00a010<sup>\u22122<\/sup><\/td>\r\n<td valign=\"top\">1.7<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Selenious acid<\/td>\r\n<td valign=\"top\">H<sub>2<\/sub>SeO<sub>3<\/sub><\/td>\r\n<td valign=\"top\">2.4\u00a0\u00d7\u00a010<sup>\u22123<\/sup><\/td>\r\n<td valign=\"top\">2.62<\/td>\r\n<td valign=\"top\">4.8\u00a0\u00d7\u00a010<sup>\u22129<\/sup><\/td>\r\n<td valign=\"top\">8.32<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Sulfuric acid<\/td>\r\n<td valign=\"top\">H<sub>2<\/sub>SO<sub>4<\/sub><\/td>\r\n<td valign=\"top\">Strong<\/td>\r\n<td valign=\"top\">Strong<\/td>\r\n<td valign=\"top\">1.0\u00a0\u00d7\u00a010<sup>\u22122<\/sup><\/td>\r\n<td valign=\"top\">1.99<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Sulfurous acid<\/td>\r\n<td valign=\"top\">H<sub>2<\/sub>SO<sub>3<\/sub><\/td>\r\n<td valign=\"top\">1.4\u00a0\u00d7\u00a010<sup>\u22122<\/sup><\/td>\r\n<td valign=\"top\">1.85<\/td>\r\n<td valign=\"top\">6.3\u00a0\u00d7\u00a010<sup>\u22128<\/sup><\/td>\r\n<td valign=\"top\">7.2<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\"><i>meso<\/i>-Tartaric acid<\/td>\r\n<td valign=\"top\">C<sub>4<\/sub>H<sub>6<\/sub>O<sub>6<\/sub><\/td>\r\n<td valign=\"top\">6.8\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\r\n<td valign=\"top\">3.17<\/td>\r\n<td valign=\"top\">1.2\u00a0\u00d7\u00a010<sup>\u22125<\/sup><\/td>\r\n<td valign=\"top\">4.91<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Telluric acid<\/td>\r\n<td valign=\"top\">H<sub>2<\/sub>TeO<sub>4<\/sub><\/td>\r\n<td valign=\"top\">2.1\u00a0\u00d7\u00a010<sup>\u22128\u2021<\/sup><\/td>\r\n<td valign=\"top\">7.68<sup>\u2021<\/sup><\/td>\r\n<td valign=\"top\">1.0\u00a0\u00d7\u00a010<sup>\u221211\u2021<\/sup><\/td>\r\n<td valign=\"top\">11.0<sup>\u2021<\/sup><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Tellurous acid<\/td>\r\n<td valign=\"top\">H<sub>2<\/sub>TeO<sub>3<\/sub><\/td>\r\n<td valign=\"top\">5.4\u00a0\u00d7\u00a010<sup>\u22127<\/sup><\/td>\r\n<td valign=\"top\">6.27<\/td>\r\n<td valign=\"top\">3.7\u00a0\u00d7\u00a010<sup>\u22129<\/sup><\/td>\r\n<td valign=\"top\">8.43<\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Trichloroacetic acid<\/td>\r\n<td valign=\"top\">CCl<sub>3<\/sub>CO<sub>2<\/sub>H<\/td>\r\n<td valign=\"top\">2.2\u00a0\u00d7\u00a010<sup>\u22121<\/sup><\/td>\r\n<td valign=\"top\">0.66<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<tr>\r\n<td valign=\"top\">Trifluoroacetic acid<\/td>\r\n<td valign=\"top\">CF<sub>3<\/sub>CO<sub>2<\/sub>H<\/td>\r\n<td valign=\"top\">3.0\u00a0\u00d7\u00a010<sup>\u22121<\/sup><\/td>\r\n<td valign=\"top\">0.52<\/td>\r\n<td valign=\"top\"><\/td>\r\n<td valign=\"top\"><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nAdapted from <a href=\"http:\/\/chemwiki.ucdavis.edu\/Reference\/Reference_Tables\/Equilibrium_Constants\/E1%3A_Acid_Dissociation_Constants_at_25%C2%B0C\">UC Davis Chem Wiki <\/a>(Creative Commons licence): UC Davis GeoWiki by University of California, Davis. <a href=\"http:\/\/creativecommons.org\/licenses\/by-nc-sa\/3.0\/us\/\">CC-BY-NC-SA-3.0<\/a>\r\n\r\nOriginal source of data:\u00a0<i>CRC Handbook of Chemistry and Physics,<\/i>\u00a084th Edition (2004).","rendered":"<table class=\"aligncenter\" style=\"width: 100%; border-spacing: 0px; border-spacing: 0pxpx;\" cellpadding=\"0\">\n<caption>Selected Acid Dissociation Constants at 25\u00b0C<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">Name<\/th>\n<th scope=\"col\">Formula<\/th>\n<th scope=\"col\">K\u00a0a1<\/th>\n<th scope=\"col\">pKa1<\/th>\n<th scope=\"col\">K\u00a0a2<\/th>\n<th scope=\"col\">pKa2<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td valign=\"top\">Acetic acid<\/td>\n<td valign=\"top\">CH<sub>3<\/sub>CO<sub>2<\/sub>H<\/td>\n<td valign=\"top\">1.75\u00a0\u00d7\u00a010<sup>\u22125<\/sup><\/td>\n<td valign=\"top\">4.756<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Arsenic acid<\/td>\n<td valign=\"top\">H<sub>3<\/sub>AsO<sub>4<\/sub><\/td>\n<td valign=\"top\">5.5\u00a0\u00d7\u00a010<sup>\u22123<\/sup><\/td>\n<td valign=\"top\">2.26<\/td>\n<td valign=\"top\">1.7\u00a0\u00d7\u00a010<sup>\u22127<\/sup><\/td>\n<td valign=\"top\">6.76<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Benzoic acid<\/td>\n<td valign=\"top\">C<sub>6<\/sub>H<sub>5<\/sub>CO<sub>2<\/sub>H<\/td>\n<td valign=\"top\">6.25\u00a0\u00d7\u00a010<sup>\u22125<\/sup><\/td>\n<td valign=\"top\">4.204<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Boric acid<\/td>\n<td valign=\"top\">H<sub>3<\/sub>BO<sub>3<\/sub><\/td>\n<td valign=\"top\">5.4\u00a0\u00d7\u00a010<sup>\u221210<\/sup>*<\/td>\n<td valign=\"top\">9.27*<\/td>\n<td valign=\"top\">&gt;1\u00a0\u00d7\u00a010<sup>\u221214<\/sup>*<\/td>\n<td valign=\"top\">&gt;14*<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Bromoacetic acid<\/td>\n<td valign=\"top\">CH<sub>2<\/sub>BrCO<sub>2<\/sub>H<\/td>\n<td valign=\"top\">1.3\u00a0\u00d7\u00a010<sup>\u22123<\/sup><\/td>\n<td valign=\"top\">2.90<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Carbonic acid<\/td>\n<td valign=\"top\">H<sub>2<\/sub>CO<sub>3<\/sub><\/td>\n<td valign=\"top\">4.5\u00a0\u00d7\u00a010<sup>\u22127<\/sup><\/td>\n<td valign=\"top\">6.35<\/td>\n<td valign=\"top\">4.7\u00a0\u00d7\u00a010<sup>\u221211<\/sup><\/td>\n<td valign=\"top\">10.33<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Chloroacetic acid<\/td>\n<td valign=\"top\">CH<sub>2<\/sub>ClCO<sub>2<\/sub>H<\/td>\n<td valign=\"top\">1.3\u00a0\u00d7\u00a010<sup>\u22123<\/sup><\/td>\n<td valign=\"top\">2.87<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Chlorous acid<\/td>\n<td valign=\"top\">HClO<sub>2<\/sub><\/td>\n<td valign=\"top\">1.1\u00a0\u00d7\u00a010<sup>\u22122<\/sup><\/td>\n<td valign=\"top\">1.94<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Chromic acid<\/td>\n<td valign=\"top\">H<sub>2<\/sub>CrO<sub>4<\/sub><\/td>\n<td valign=\"top\">1.8\u00a0\u00d7\u00a010<sup>\u22121<\/sup><\/td>\n<td valign=\"top\">0.74<\/td>\n<td valign=\"top\">3.2\u00a0\u00d7\u00a010<sup>\u22127<\/sup><\/td>\n<td valign=\"top\">6.49<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Citric acid<\/td>\n<td valign=\"top\">C<sub>6<\/sub>H<sub>8<\/sub>O<sub>7<\/sub><\/td>\n<td valign=\"top\">7.4\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\n<td valign=\"top\">3.13<\/td>\n<td valign=\"top\">1.7\u00a0\u00d7\u00a010<sup>\u22125<\/sup><\/td>\n<td valign=\"top\">4.76<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Cyanic acid<\/td>\n<td valign=\"top\">HCNO<\/td>\n<td valign=\"top\">3.5\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\n<td valign=\"top\">3.46<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Dichloroacetic acid<\/td>\n<td valign=\"top\">CHCl<sub>2<\/sub>CO<sub>2<\/sub>H<\/td>\n<td valign=\"top\">4.5\u00a0\u00d7\u00a010<sup>\u22122<\/sup><\/td>\n<td valign=\"top\">1.35<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Fluoroacetic acid<\/td>\n<td valign=\"top\">CH<sub>2<\/sub>FCO<sub>2<\/sub>H<\/td>\n<td valign=\"top\">2.6\u00a0\u00d7\u00a010<sup>\u22123<\/sup><\/td>\n<td valign=\"top\">2.59<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Formic acid<\/td>\n<td valign=\"top\">CH<sub>2<\/sub>O<sub>2<\/sub><\/td>\n<td valign=\"top\">1.8\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\n<td valign=\"top\">3.75<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Hydrazoic acid<\/td>\n<td valign=\"top\">HN<sub>3<\/sub><\/td>\n<td valign=\"top\">2.5\u00a0\u00d7\u00a010<sup>\u22125<\/sup><\/td>\n<td valign=\"top\">4.6<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Hydrocyanic acid<\/td>\n<td valign=\"top\">HCN<\/td>\n<td valign=\"top\">6.2\u00a0\u00d7\u00a010<sup>\u221210<\/sup><\/td>\n<td valign=\"top\">9.21<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Hydrofluoric acid<\/td>\n<td valign=\"top\">HF<\/td>\n<td valign=\"top\">6.3\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\n<td valign=\"top\">3.20<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Hydrogen selenide<\/td>\n<td valign=\"top\">H<sub>2<\/sub>Se<\/td>\n<td valign=\"top\">1.3\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\n<td valign=\"top\">3.89<\/td>\n<td valign=\"top\">1.0\u00d7 10<sup>\u221211<\/sup><\/td>\n<td valign=\"top\">11.0<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Hydrogen sulfide<\/td>\n<td valign=\"top\">H<sub>2<\/sub>S<\/td>\n<td valign=\"top\">8.9\u00a0\u00d7\u00a010<sup>\u22128<\/sup><\/td>\n<td valign=\"top\">7.05<\/td>\n<td valign=\"top\">1\u00a0\u00d7\u00a010<sup>\u221219<\/sup><\/td>\n<td valign=\"top\">19<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Hydrogen telluride<\/td>\n<td valign=\"top\">H<sub>2<\/sub>Te<\/td>\n<td valign=\"top\">2.5\u00a0\u00d7\u00a010<sup>\u22123\u2021<\/sup><\/td>\n<td valign=\"top\">2.6<sup>\u2021<\/sup><\/td>\n<td valign=\"top\">1\u00a0\u00d7\u00a010<sup>\u221211<\/sup><\/td>\n<td valign=\"top\">11<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Hypobromous acid<\/td>\n<td valign=\"top\">HBrO<\/td>\n<td valign=\"top\">2.8\u00a0\u00d7\u00a010<sup>\u22129<\/sup><\/td>\n<td valign=\"top\">8.55<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Hypochlorous acid<\/td>\n<td valign=\"top\">HClO<\/td>\n<td valign=\"top\">4.0\u00a0\u00d7\u00a010<sup>\u22128<\/sup><\/td>\n<td valign=\"top\">7.40<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Hypoiodous acid<\/td>\n<td valign=\"top\">HIO<\/td>\n<td valign=\"top\">3.2\u00a0\u00d7\u00a010<sup>\u221211<\/sup><\/td>\n<td valign=\"top\">10.5<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Iodic acid<\/td>\n<td valign=\"top\">HIO<sub>3<\/sub><\/td>\n<td valign=\"top\">1.7\u00a0\u00d7\u00a010<sup>\u22121<\/sup><\/td>\n<td valign=\"top\">0.78<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Iodoacetic acid<\/td>\n<td valign=\"top\">CH<sub>2<\/sub>ICO<sub>2<\/sub>H<\/td>\n<td valign=\"top\">6.6\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\n<td valign=\"top\">3.18<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Nitrous acid<\/td>\n<td valign=\"top\">HNO<sub>2<\/sub><\/td>\n<td valign=\"top\">5.6\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\n<td valign=\"top\">3.25<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Oxalic acid<\/td>\n<td valign=\"top\">C<sub>2<\/sub>H<sub>2<\/sub>O<sub>4<\/sub><\/td>\n<td valign=\"top\">5.6\u00a0\u00d7\u00a010<sup>\u22122<\/sup><\/td>\n<td valign=\"top\">1.25<\/td>\n<td valign=\"top\">1.5\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\n<td valign=\"top\">3.81<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Periodic acid<\/td>\n<td valign=\"top\">HIO<sub>4<\/sub><\/td>\n<td valign=\"top\">2.3\u00a0\u00d7\u00a010<sup>\u22122<\/sup><\/td>\n<td valign=\"top\">1.64<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Phenol<\/td>\n<td valign=\"top\">C<sub>6<\/sub>H<sub>5<\/sub>OH<\/td>\n<td valign=\"top\">1.0\u00a0\u00d7\u00a010<sup>\u221210<\/sup><\/td>\n<td valign=\"top\">9.99<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Phosphoric acid<\/td>\n<td valign=\"top\">H<sub>3<\/sub>PO<sub>4<\/sub><\/td>\n<td valign=\"top\">6.9\u00a0\u00d7\u00a010<sup>\u22123<\/sup><\/td>\n<td valign=\"top\">2.16<\/td>\n<td valign=\"top\">6.2\u00a0\u00d7\u00a010<sup>\u22128<\/sup><\/td>\n<td valign=\"top\">7.21<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Phosphorous acid<\/td>\n<td valign=\"top\">H<sub>3<\/sub>PO<sub>3<\/sub><\/td>\n<td valign=\"top\">5.0\u00a0\u00d7\u00a010<sup>\u22122<\/sup>*<\/td>\n<td valign=\"top\">1.3*<\/td>\n<td valign=\"top\">2.0\u00a0\u00d7\u00a010<sup>\u22127<\/sup>*<\/td>\n<td valign=\"top\">6.70*<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Pyrophosphoric acid<\/td>\n<td valign=\"top\">H<sub>4<\/sub>P<sub>2<\/sub>O<sub>7<\/sub><\/td>\n<td valign=\"top\">1.2\u00a0\u00d7\u00a010<sup>\u22121<\/sup><\/td>\n<td valign=\"top\">0.91<\/td>\n<td valign=\"top\">7.9\u00a0\u00d7\u00a010<sup>\u22123<\/sup><\/td>\n<td valign=\"top\">2.10<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Resorcinol<\/td>\n<td valign=\"top\">C<sub>6<\/sub>H<sub>4<\/sub>(OH)<sub>2<\/sub><\/td>\n<td valign=\"top\">4.8\u00a0\u00d7\u00a010<sup>\u221210<\/sup><\/td>\n<td valign=\"top\">9.32<\/td>\n<td valign=\"top\">7.9\u00a0\u00d7\u00a010<sup>\u221212<\/sup><\/td>\n<td valign=\"top\">11.1<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Selenic acid<\/td>\n<td valign=\"top\">H<sub>2<\/sub>SeO<sub>4<\/sub><\/td>\n<td valign=\"top\">Strong<\/td>\n<td valign=\"top\">Strong<\/td>\n<td valign=\"top\">2.0\u00a0\u00d7\u00a010<sup>\u22122<\/sup><\/td>\n<td valign=\"top\">1.7<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Selenious acid<\/td>\n<td valign=\"top\">H<sub>2<\/sub>SeO<sub>3<\/sub><\/td>\n<td valign=\"top\">2.4\u00a0\u00d7\u00a010<sup>\u22123<\/sup><\/td>\n<td valign=\"top\">2.62<\/td>\n<td valign=\"top\">4.8\u00a0\u00d7\u00a010<sup>\u22129<\/sup><\/td>\n<td valign=\"top\">8.32<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Sulfuric acid<\/td>\n<td valign=\"top\">H<sub>2<\/sub>SO<sub>4<\/sub><\/td>\n<td valign=\"top\">Strong<\/td>\n<td valign=\"top\">Strong<\/td>\n<td valign=\"top\">1.0\u00a0\u00d7\u00a010<sup>\u22122<\/sup><\/td>\n<td valign=\"top\">1.99<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Sulfurous acid<\/td>\n<td valign=\"top\">H<sub>2<\/sub>SO<sub>3<\/sub><\/td>\n<td valign=\"top\">1.4\u00a0\u00d7\u00a010<sup>\u22122<\/sup><\/td>\n<td valign=\"top\">1.85<\/td>\n<td valign=\"top\">6.3\u00a0\u00d7\u00a010<sup>\u22128<\/sup><\/td>\n<td valign=\"top\">7.2<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\"><i>meso<\/i>-Tartaric acid<\/td>\n<td valign=\"top\">C<sub>4<\/sub>H<sub>6<\/sub>O<sub>6<\/sub><\/td>\n<td valign=\"top\">6.8\u00a0\u00d7\u00a010<sup>\u22124<\/sup><\/td>\n<td valign=\"top\">3.17<\/td>\n<td valign=\"top\">1.2\u00a0\u00d7\u00a010<sup>\u22125<\/sup><\/td>\n<td valign=\"top\">4.91<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Telluric acid<\/td>\n<td valign=\"top\">H<sub>2<\/sub>TeO<sub>4<\/sub><\/td>\n<td valign=\"top\">2.1\u00a0\u00d7\u00a010<sup>\u22128\u2021<\/sup><\/td>\n<td valign=\"top\">7.68<sup>\u2021<\/sup><\/td>\n<td valign=\"top\">1.0\u00a0\u00d7\u00a010<sup>\u221211\u2021<\/sup><\/td>\n<td valign=\"top\">11.0<sup>\u2021<\/sup><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Tellurous acid<\/td>\n<td valign=\"top\">H<sub>2<\/sub>TeO<sub>3<\/sub><\/td>\n<td valign=\"top\">5.4\u00a0\u00d7\u00a010<sup>\u22127<\/sup><\/td>\n<td valign=\"top\">6.27<\/td>\n<td valign=\"top\">3.7\u00a0\u00d7\u00a010<sup>\u22129<\/sup><\/td>\n<td valign=\"top\">8.43<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Trichloroacetic acid<\/td>\n<td valign=\"top\">CCl<sub>3<\/sub>CO<sub>2<\/sub>H<\/td>\n<td valign=\"top\">2.2\u00a0\u00d7\u00a010<sup>\u22121<\/sup><\/td>\n<td valign=\"top\">0.66<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">Trifluoroacetic acid<\/td>\n<td valign=\"top\">CF<sub>3<\/sub>CO<sub>2<\/sub>H<\/td>\n<td valign=\"top\">3.0\u00a0\u00d7\u00a010<sup>\u22121<\/sup><\/td>\n<td valign=\"top\">0.52<\/td>\n<td valign=\"top\"><\/td>\n<td valign=\"top\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Adapted from <a href=\"http:\/\/chemwiki.ucdavis.edu\/Reference\/Reference_Tables\/Equilibrium_Constants\/E1%3A_Acid_Dissociation_Constants_at_25%C2%B0C\">UC Davis Chem Wiki <\/a>(Creative Commons licence): UC Davis GeoWiki by University of California, Davis. <a href=\"http:\/\/creativecommons.org\/licenses\/by-nc-sa\/3.0\/us\/\">CC-BY-NC-SA-3.0<\/a><\/p>\n<p>Original source of data:\u00a0<i>CRC Handbook of Chemistry and Physics,<\/i>\u00a084th Edition (2004).<\/p>\n","protected":false},"author":90,"menu_order":2,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"back-matter-type":[],"contributor":[],"license":[],"class_list":["post-7986","back-matter","type-back-matter","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/opentextbc.ca\/introductorychemistry\/wp-json\/pressbooks\/v2\/back-matter\/7986","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opentextbc.ca\/introductorychemistry\/wp-json\/pressbooks\/v2\/back-matter"}],"about":[{"href":"https:\/\/opentextbc.ca\/introductorychemistry\/wp-json\/wp\/v2\/types\/back-matter"}],"author":[{"embeddable":true,"href":"https:\/\/opentextbc.ca\/introductorychemistry\/wp-json\/wp\/v2\/users\/90"}],"version-history":[{"count":10,"href":"https:\/\/opentextbc.ca\/introductorychemistry\/wp-json\/pressbooks\/v2\/back-matter\/7986\/revisions"}],"predecessor-version":[{"id":9054,"href":"https:\/\/opentextbc.ca\/introductorychemistry\/wp-json\/pressbooks\/v2\/back-matter\/7986\/revisions\/9054"}],"metadata":[{"href":"https:\/\/opentextbc.ca\/introductorychemistry\/wp-json\/pressbooks\/v2\/back-matter\/7986\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/opentextbc.ca\/introductorychemistry\/wp-json\/wp\/v2\/media?parent=7986"}],"wp:term":[{"taxonomy":"back-matter-type","embeddable":true,"href":"https:\/\/opentextbc.ca\/introductorychemistry\/wp-json\/pressbooks\/v2\/back-matter-type?post=7986"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/opentextbc.ca\/introductorychemistry\/wp-json\/wp\/v2\/contributor?post=7986"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/opentextbc.ca\/introductorychemistry\/wp-json\/wp\/v2\/license?post=7986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}