Appendix J – Solubility Products
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Aluminum Solubility Products
Substance |
Ksp at 25 °C |
Al(OH)3 |
2 × 10−32 |
Barium Solubility Products
Substance |
Ksp at 25 °C |
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 Solubility Products
Substance |
Ksp at 25 °C |
BiO(OH) |
4 × 10−10 |
BiOCl |
1.8 × 10−31 |
Bi2S3 |
1 × 10−97 |
Cadmium Solubility Products
Substance |
Ksp at 25 °C |
Cd(OH)2 |
5.9 × 10−15 |
CdS |
1.0 × 10−28 |
CdCO3 |
5.2 × 10−12 |
Calcium Solubility Products
Substance |
Ksp at 25 °C |
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 Solubility Products
Substance |
Ksp at 25 °C |
Cr(OH)3 |
6.7 × 10−31 |
Cobalt Solubility Products
Substance |
Ksp at 25 °C |
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 Solubility Products
Substance |
Ksp at 25 °C |
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 Product Solubility
Substance |
Ksp at 25 °C |
Fe(OH)2 |
1.8 × 10−15 |
FeCO3 |
2.1 × 10−11 |
FeS |
3.7 × 10−19 |
Fe(OH)3 |
4 × 10−38 |
Lead Solubility Products
Substance |
Ksp at 25 °C |
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 Solubility Products
Substance |
Ksp at 25 °C |
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 Solubility Products
Substance |
Ksp at 25 °C |
Mn(OH)2 |
2 × 10−13 |
MnCO3 |
8.8 × 10−11 |
MnS |
2.3 × 10−13 |
Mercury Solubility Products
Substance |
Ksp at 25 °C |
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 Solubility Products
Substance |
Ksp at 25 °C |
Ni(OH)2 |
1.6 × 10−16 |
NiCO3 |
1.4 × 10−7 |
NiS(α) |
4 × 10−20 |
NiS(β) |
1.3 × 10−25 |
Potassium Solubility Products
Substance |
Ksp at 25 °C |
KClO4 |
1.05 × 10−2 |
K2PtCl6 |
7.48 × 10−6 |
KHC4H4O6 |
3 × 10−4 |
Silver Solubility Products
Substance |
Ksp at 25 °C |
---|---|
Ag2 O(Ag+ + 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 Solubility Products
Substance |
Ksp at 25 °C |
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 Solubility Products
Substance |
Ksp at 25 °C |
TlCl |
1.7 × 10−4 |
TlSCN |
1.6 × 10−4 |
Tl2S |
6 × 10−22 |
Tl(OH)3 |
6.3 × 10−46 |
Tin Solubility Products
Substance |
Ksp at 25 °C |
Sn(OH)2 |
3 × 10−27 |
SnS |
1 × 10−26 |
Sn(OH)4 |
1.0 × 10−57 |
Zinc Solubility Products
Substance |
Ksp at 25 °C |
ZnCO3 |
2 × 10−10 |
Table J1