Appendix J: Solubility Products

Solubility Products
Substance Ksp at 25 °C
aluminum
Al(OH)3 2 × 10−32
barium
BaCO3 1.6 × 10−9
BaC2O4·2H2O 1.1 × 10−7
BaSO4 2.3 × 10−8
BaCrO4 8.5 × 10−11
BaF2 2.4 × 10−5
Ba(OH)2·8H2O 5.0 × 10−3
Ba3(PO4)2 6 × 10−39
Ba3(AsO4)2 1.1 × 10−13
bismuth
BiO(OH) 4 × 10−10
BiOCl 1.8 × 10−31
Bi2S3 1 × 10−97
cadmium
Cd(OH)2 5.9 × 10−15
CdS 1.0 × 10−28
CdCO3 5.2 × 10−12
calcium
Ca(OH)2 1.3 × 10−6
CaCO3 8.7 × 10−9
CaSO4·2H2O 6.1 × 10−5
CaC2O4·H2O 1.96 × 10−8
Ca3(PO4)2 1.3 × 10−32
CaHPO4 7 × 10−7
CaF2 4.0 × 10−11
chromium
Cr(OH)3 6.7 × 10−31
cobalt
Co(OH)2 2.5 × 10−16
CoS(α) 5 × 10−22
CoS(β) 3 × 10−26
CoCO3 1.4 × 10−13
Co(OH)3 2.5 × 10−43
copper
CuCl 1.2 × 10−6
CuBr 6.27 × 10−9
CuI 1.27 × 10−12
CuSCN 1.6 × 10−11
Cu2S 2.5 × 10−48
Cu(OH)2 2.2 × 10−20
CuS 8.5 × 10−45
CuCO3 2.5 × 10−10
iron
Fe(OH)2 1.8 × 10−15
FeCO3 2.1 × 10−11
FeS 3.7 × 10−19
Fe(OH)3 4 × 10−38
lead
Pb(OH)2 1.2 × 10−15
PbF2 4 × 10−8
PbCl2 1.6 × 10−5
PbBr2 4.6 × 10−6
PbI2 1.4 × 10−8
PbCO3 1.5 × 10−15
PbS 7 × 10−29
PbCrO4 2 × 10−16
PbSO4 1.3 × 10−8
Pb3(PO4)2 1 × 10−54
magnesium
Mg(OH)2 8.9 × 10−12
MgCO3·3H2O ca 1 × 10−5
MgNH4PO4 3 × 10−13
MgF2 6.4 × 10−9
MgC2O4 7 × 10−7
manganese
Mn(OH)2 2 × 10−13
MnCO3 8.8 × 10−11
MnS 2.3 × 10−13
mercury
Hg2O·H2O 3.6 × 10−26
Hg2Cl2 1.1 × 10−18
Hg2Br2 1.3 × 10−22
Hg2I2 4.5 × 10−29
Hg2CO3 9 × 10−15
Hg2SO4 7.4 × 10−7
Hg2S 1.0 × 10−47
Hg2CrO4 2 × 10−9
HgS 1.6 × 10−54
nickel
Ni(OH)2 1.6 × 10−16
NiCO3 1.4 × 10−7
NiS(α) 4 × 10−20
NiS(β) 1.3 × 10−25
potassium
KClO4 1.05 × 10−2
K2PtCl6 7.48 × 10−6
KHC4H4O6 3 × 10−4
silver
\frac{1}{2} \text{Ag}_2 \text{O}(\text{Ag}^{+} + \text{OH}^{-}) 2 × 10−8
AgCl 1.6 × 10−10
AgBr 5.0 × 10−13
AgI 1.5 × 10−16
AgCN 1.2 × 10−16
AgSCN 1.0 × 10−12
Ag2S 1.6 × 10−49
Ag2CO3 8.1 × 10−12
Ag2CrO4 9.0 × 10−12
Ag4Fe(CN)6 1.55 × 10−41
Ag2SO4 1.2 × 10−5
Ag3PO4 1.8 × 10−18
strontium
Sr(OH)2·8H2O 3.2 × 10−4
SrCO3 7 × 10−10
SrCrO4 3.6 × 10−5
SrSO4 3.2 × 10−7
SrC2O4·H2O 4 × 10−7
thallium
TlCl 1.7 × 10−4
TlSCN 1.6 × 10−4
Tl2S 6 × 10−22
Tl(OH)3 6.3 × 10−46
tin
Sn(OH)2 3 × 10−27
SnS 1 × 10−26
Sn(OH)4 1.0 × 10−57
zinc
ZnCO3 2 × 10−10

 

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