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 |
