Appendix J: Solubility Products
| Substance | K sp at 25 °C |
|---|---|
| aluminum | |
| Al(OH) 3 | 2 × 10 −32 |
| barium | |
| BaCO 3 | 1.6 × 10 −9 |
| BaC 2 O 4 ·2H 2 O | 1.1 × 10 −7 |
| BaSO 4 | 2.3 × 10 −8 |
| BaCrO 4 | 8.5 × 10 −11 |
| BaF 2 | 2.4 × 10 −5 |
| Ba(OH) 2 ·8H 2 O | 5.0 × 10 −3 |
| Ba 3 (PO 4 ) 2 | 6 × 10 −39 |
| Ba 3 (AsO 4 ) 2 | 1.1 × 10 −13 |
| bismuth | |
| BiO(OH) | 4 × 10 −10 |
| BiOCl | 1.8 × 10 −31 |
| Bi 2 S 3 | 1 × 10 −97 |
| cadmium | |
| Cd(OH) 2 | 5.9 × 10 −15 |
| CdS | 1.0 × 10 −28 |
| CdCO 3 | 5.2 × 10 −12 |
| calcium | |
| Ca(OH) 2 | 1.3 × 10 −6 |
| CaCO 3 | 8.7 × 10 −9 |
| CaSO4·2H 2 O | 6.1 × 10 −5 |
| CaC 2 O 4 ·H 2 O | 1.96 × 10 −8 |
| Ca 3 (PO 4 ) 2 | 1.3 × 10 −32 |
| CaHPO 4 | 7 × 10 −7 |
| CaF 2 | 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 |
| CoCO 3 | 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 |
| Cu 2 S | 2.5 × 10 −48 |
| Cu(OH) 2 | 2.2 × 10 −20 |
| CuS | 8.5 × 10 −45 |
| CuCO 3 | 2.5 × 10 −10 |
| iron | |
| Fe(OH) 2 | 1.8 × 10 −15 |
| FeCO 3 | 2.1 × 10 −11 |
| FeS | 3.7 × 10 −19 |
| Fe(OH) 3 | 4 × 10 −38 |
| lead | |
| Pb(OH) 2 | 1.2 × 10 −15 |
| PbF 2 | 4 × 10 −8 |
| PbCl 2 | 1.6 × 10 −5 |
| PbBr 2 | 4.6 × 10 −6 |
| PbI 2 | 1.4 × 10 −8 |
| PbCO 3 | 1.5 × 10 −15 |
| PbS | 7 × 10 −29 |
| PbCrO 4 | 2 × 10 −16 |
| PbSO 4 | 1.3 × 10 −8 |
| Pb 3 (PO 4 ) 2 | 1 × 10 −54 |
| magnesium | |
| Mg(OH) 2 | 8.9 × 10 −12 |
| MgCO 3 ·3H 2 O | ca 1 × 10 −5 |
| MgNH 4 PO 4 | 3 × 10 −13 |
| MgF 2 | 6.4 × 10 −9 |
| MgC 2 O 4 | 7 × 10 −7 |
| manganese | |
| Mn(OH) 2 | 2 × 10 −13 |
| MnCO 3 | 8.8 × 10 −11 |
| MnS | 2.3 × 10 −13 |
| mercury | |
| Hg 2 O·H 2 O | 3.6 × 10 −26 |
| Hg 2 Cl 2 | 1.1 × 10 −18 |
| Hg 2 Br 2 | 1.3 × 10 −22 |
| Hg 2 I 2 | 4.5 × 10 −29 |
| Hg 2 CO 3 | 9 × 10 −15 |
| Hg 2 SO 4 | 7.4 × 10 −7 |
| Hg 2 S | 1.0 × 10 −47 |
| Hg 2 CrO 4 | 2 × 10 −9 |
| HgS | 1.6 × 10 −54 |
| nickel | |
| Ni(OH) 2 | 1.6 × 10 −16 |
| NiCO 3 | 1.4 × 10 −7 |
| NiS( α ) | 4 × 10 −20 |
| NiS( β ) | 1.3 × 10 −25 |
| potassium | |
| KClO 4 | 1.05 × 10 −2 |
| K 2 PtCl 6 | 7.48 × 10 −6 |
| KHC 4 H 4 O 6 | 3 × 10 −4 |
| silver | |
| \(\ce{^1_2Ag2O(Ag+ + OH- )}\) | 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 |
| Ag 2 S | 1.6 × 10 −49 |
| Ag 2 CO 3 | 8.1 × 10 −12 |
| Ag 2 CrO 4 | 9.0 × 10 −12 |
| Ag 4 Fe(CN) 6 | 1.55 × 10 −41 |
| Ag 2 SO 4 | 1.2 × 10 −5 |
| Ag 3 PO 4 | 1.8 × 10 −18 |
| strontium | |
| Sr(OH) 2 ·8H 2 O | 3.2 × 10 −4 |
| SrCO 3 | 7 × 10 −10 |
| SrCrO 4 | 3.6 × 10 −5 |
| SrSO 4 | 3.2 × 10 −7 |
| SrC 2 O 4 ·H 2 O | 4 × 10 −7 |
| thallium | |
| TlCl | 1.7 × 10 −4 |
| TlSCN | 1.6 × 10 −4 |
| Tl 2 S | 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 | |
| ZnCO 3 | 2 × 10 −10 |