Below are the values of the Ksp product constant for the most common salts
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Compound | Formula | Ksp (at 25 oC) |
Aluminium hydroxide | Al(OH)3 | 3x10-34 |
Aluminium phosphate | AlPO4 | 9.84 x 10-21 |
Barium bromate | Ba(BrO3)2 | 2.43 x 10-4 |
Barium carbonate | BaCO3 | 2.58 x 10-9 |
Barium chromate | BaCrO4 | 1.17 x 10-10 |
Barium fluoride | BaF2 | 1.84 x 10-7 |
Barium hydroxide octahydrate | Ba(OH)2 x 8H2O | 2.55 x 10-4 |
Barium iodate | Ba(IO3)2 | 4.01 x 10-9 |
Barium iodate monohydrate | Ba(IO3)2 x H2O | 1.67 x 10-9 |
Barium molybdate | BaMoO4 | 3.54 x 10-8 |
Barium nitrate | Ba(NO3)2 | 4.64 x 10-3 |
Barium selenate | BaSeO4 | 3.40 x 10-8 |
Barium sulfate | BaSO4 | 1.08 x 10-10 |
Barium sulfite | BaSO3 | 5.0 x 10-10 |
Beryllium hydroxide | Be(OH)2 | 6.92 x 10-22 |
Bismuth arsenate | BiAsO4 | 4.43 x 10-10 |
Bismuth iodide | BiI | 7.71 x 10-19 |
Cadmium arsenate | Cd3(AsO4)2 | 2.2 x 10-33 |
Cadmium carbonate | CdCO3 | 1.0 x 10-12 |
Cadmium fluoride | CdF2 | 6.44 x 10-3 |
Cadmium hydroxide | Cd(OH)2 | 7.2 x 10-15 |
Cadmium iodate | Cd(IO3)2 | 2.5 x 10-8 |
Cadmium oxalate trihydrate | CdC2O4 x 3H2O | 1.42 x 10-8 |
Cadmium phosphate | Cd3(PO4)2 | 2.53 x 10-33 |
Cadmium sulfide | CdS | 1 x 10-27 |
Caesium perchlorate | CsClO4 | 3.95 x 10-3 |
Caesium periodate | CsIO4 | 5.16 x 10-6 |
Calcium carbonate (calcite) | CaCO3 | 3.36 x 10-9 |
Calcium carbonate (aragonite) | CaCO3 | 6.0 x 10-9 |
Calcium fluoride | CaF2 | 3.45 x 10-11 |
Calcium hydroxide | Ca(OH)2 | 5.02 x 10-6 |
Calcium iodate | Ca(IO3)2 | 6.47 x 10-6 |
Calcium iodate hexahydrate | Ca(IO3)2 x 6H2O | 7.10 x 10-7 |
Calcium molybdate | CaMoO | 1.46 x 10-8 |
Calcium oxalate monohydrate | CaC2O4 x H2O | 2.32 x 10-9 |
Calcium phosphate | Ca3(PO4)2 | 2.07 x 10-33 |
Calcium sulfate | CaSO4 | 4.93 x 10-5 |
Calcium sulfate dihydrate | CaSO4 x 2H2O | 3.14 x 10-5 |
Calcium sulfate hemihydrate | CaSO4 x 0.5H2O | 3.1 x 10-7 |
Cobalt(II) arsenate | Co3(AsO4)2 | 6.80 x 10-29 |
Cobalt(II) carbonate | CoCO3 | 1.0 x 10-10 |
Cobalt(II) hydroxide (blue) | Co(OH)2 | 5.92 x 10-15 |
Cobalt(II) iodate dihydrate | Co(IO3)2 x 2H2O | 1.21 x 10-2 |
Cobalt(II) phosphate | Co3(PO4)2 | 2.05 x 10-35 |
Cobalt(II) sulfide (alpha) | CoS | 5 x 10-22 |
Cobalt(II) sulfide (beta) | CoS | 3 x 10-26 |
Copper(I) bromide | CuBr | 6.27 x 10-9 |
Copper(I) chloride | CuCl | 1.72 x 10-7 |
Copper(I) cyanide | CuCN | 3.47 x 10-20 |
Copper(I) hydroxide | Cu2O | 2 x 10-15 |
Copper(I) iodide | CuI | 1.27 x 10-12 |
Copper(I) thiocyanate | CuSCN | 1.77 x 10-13 |
Copper(II) arsenate | Cu3(AsO4)2 | 7.95 x 10-36 |
Copper(II) hydroxide | Cu(OH)2 | 4.8 x 10-20 |
Copper(II) iodate monohydrate | Cu(IO3)2 x H2O | 6.94 x 10-8 |
Copper(II) oxalate | CuC2O4 | 4.43 x 10-10 |
Copper(II) phosphate | Cu3(PO4)2 | 1.40 x 10-37 |
Copper(II) sulfide | CuS | 8 x 10-37 |
Europium(III) hydroxide | Eu(OH)3 | 9.38 x 10-27 |
Gallium(III) hydroxide | Ga(OH)3 | 7.28 x 10-36 |
Iron(II) carbonate | FeCO3 | 3.13 x 10-11 |
Iron(II) fluoride | FeF2 | 2.36 x 10-6 |
Iron(II) hydroxide | Fe(OH)2 | 4.87 x 10-17 |
Iron(II) sulfide | FeS | 8 x 10-19 |
Iron(III) hydroxide | Fe(OH)3 | 2.79 x 10-39 |
Iron(III) phosphate dihydrate | FePO4 x 2H2O | 9.91 x 10-16 |
Lanthanum iodate | La(IO3)3 | 7.50 x 10-12 |
Lead(II) bromide | PbBr2 | 6.60 x 10-6 |
Lead(II) carbonate | PbCO3 | 7.40 x 10-14 |
Lead(II) chloride | PbCl2 | 1.70 x 10-5 |
Lead(II) chromate | PbCrO4 | 3 x 10-13 |
Lead(II) fluoride | PbF2 | 3.3 x 10-8 |
Lead(II) hydroxide | Pb(OH)2 | 1.43 x 10-20 |
Lead(II) iodate | Pb(IO3)2 | 3.69 x 10-13 |
Lead(II) iodide | PbI2 | 9.8 x 10-9 |
Lead(II) oxalate | PbC2O4 | 8.5 x 10-9 |
Lead(II) selenate | PbSeO4 | 1.37 x 10-7 |
Lead(II) sulfate | PbSO4 | 2.53 x 10-8 |
Lead(II) sulfide | PbS | 3 x 10-28 |
Lithium carbonate | Li2CO3 | 8.15 x 10-4 |
Lithium fluoride | LiF | 1.84 x 10-3 |
Lithium phosphate | Li3PO4 | 2.37 x 10-4 |
Magnesium ammonium phosphate | MgNH4PO4 | 3 x 10-13 |
Magnesium carbonate | MgCO3 | 6.82 x 10-6 |
Magnesium carbonate trihydrate | MgCO3 x 3H2O | 2.38 x 10-6 |
Magnesium carbonate pentahydrate | MgCO3 x 5H2O | 3.79 x 10-6 |
Magnesium fluoride | MgF2 | 5.16 x 10-11 |
Magnesium hydroxide | Mg(OH)2 | 5.61 x 10-12 |
Magnesium oxalate dihydrate | MgC2O4 x 2H2O | 4.83 x 10-6 |
Magnesium phosphate | Mg3(PO4)2 | 1.04 x 10-24 |
Manganese(II) carbonate | MnCO3 | 2.24 x 10-11 |
Manganese(II) iodate | Mn(IO3)2 | 4.37 x 10-7 |
Manganese(II) hydroxide | Mn(OH)2 | 2 x 10-13 |
Manganese(II) oxalate dihydrate | MnC2O4 x 2H2O | 1.70 x 10-7 |
Manganese(II) sulfide (pink) | MnS | 3 x 10-11 |
Manganese(II) sulfide (green) | MnS | 3 x 10-14 |
Mercury(I) bromide | Hg2Br2 | 6.40 x 10-23 |
Mercury(I) carbonate | Hg2CO3 | 3.6 x 10-17 |
Mercury(I) chloride | Hg2Cl2 | 1.43 x 10-18 |
Mercury(I) fluoride | Hg2F2 | 3.10 x 10-6 |
Mercury(I) iodide | Hg2I2 | 5.2 x 10-29 |
Mercury(I) oxalate | Hg2C2O4 | 1.75 x 10-13 |
Mercury(I) sulfate | Hg2SO4 | 6.5 x 10-7 |
Mercury(I) thiocyanate | Hg2(SCN)2 | 3.2 x 10-20 |
Mercury(II) bromide | HgBr2 | 6.2 x 10-20 |
Mercury(II) hydroxide | HgO | 3.6 x 10-26 |
Mercury(II) iodide | HgI2 | 2.9 x 10-29 |
Mercury(II) sulfide (black) | HgS | 2 x 10-53 |
Mercury(II) sulfide (red) | HgS | 2 x 10-54 |
Neodymium carbonate | Nd2(CO3)3 | 1.08 x 10-33 |
Nickel(II) carbonate | NiCO3 | 1.42 x 10-7 |
Nickel(II) hydroxide | Ni(OH)2 | 5.48 x 10-16 |
Nickel(II) iodate | Ni(IO3)2 | 4.71 x 10-5 |
Nickel(II) phosphate | Ni3(PO4)2 | 4.74 x 10-32 |
Nickel(II) sulfide (alpha) | NiS | 4 x 10-20 |
Nickel(II) sulfide (beta) | NiS | 1.3 x 10-25 |
Palladium(II) thiocyanate | Pd(SCN)2 | 4.39 x 10-23 |
Potassium hexachloroplatinate | K2PtCl6 | 7.48 x 10-6 |
Potassium perchlorate | KClO4 | 1.05 x 10-2 |
Potassium periodate | KIO4 | 3.71 x 10-4 |
Praseodymium hydroxide | Pr(OH)3 | 3.39 x 10-24 |
Radium iodate | Ra(IO3)2 | 1.16 x 10-9 |
Radium sulfate | RaSO4 | 3.66 x 10-11 |
Rubidium perchlorate | RuClO4 | 3.00 x 10-3 |
Scandium fluoride | ScF3 | 5.81 x 10-24 |
Scandium hydroxide | Sc(OH)3 | 2.22 x 10-31 |
Silver(I) acetate | AgCH3COO | 1.94 x 10-3 |
Silver(I) arsenate | Ag3AsO4 | 1.03 x 10-22 |
Silver(I) bromate | AgBrO3 | 5.38 x 10-5 |
Silver(I) bromide | AgBr | 5.35 x 10-13 |
Silver(I) carbonate | Ag2CO3 | 8.46 x 10-12 |
Silver(I) chloride | AgCl | 1.77 x 10-10 |
Silver(I) chromate | Ag2CrO4 | 1.12 x 10-12 |
Silver(I) cyanide | AgCN | 5.97 x 10-17 |
Silver(I) iodate | AgIO3 | 3.17 x 10-8 |
Silver(I) iodide | AgI | 8.52 x 10-17 |
Silver(I) oxalate | Ag2C2O4 | 5.40 x 10-12 |
Silver(I) phosphate | Ag3PO4 | 8.89 x 10-17 |
Silver(I) sulfate | Ag2SO4 | 1.20 x 10-5 |
Silver(I) sulfite | Ag2SO3 | 1.50 x 10-14 |
Silver(I) sulfide | Ag2S | 8 x 10-51 |
Silver(I) thiocyanate | AgSCN | 1.03 x 10-12 |
Strontium arsenate | Sr3(AsO4)2 | 4.29 x 10-19 |
Strontium carbonate | SrCO3 | 5.60 x 10-10 |
Strontium fluoride | SrF2 | 4.33 x 10-9 |
Strontium iodate | Sr(IO3)2 | 1.14 x 10-7 |
Strontium iodate monohydrate | Sr(IO3)2 x H2O | 3.77 x 10-7 |
Strontium iodate hexahydrate | Sr(IO3)2 x 6H2O | 4.55 x 10-7 |
Strontium oxalate | SrC2O4 | 5 x 10-8 |
Strontium sulfate | SrSO4 | 3.44 x 10-7 |
Thallium(I) bromate | TlBrO3 | 1.10 x 10-4 |
Thallium(I) bromide | TlBr | 3.71 x 10-6 |
Thallium(I) chloride | TlCl | 1.86 x 10-4 |
Thallium(I) chromate | Tl2CrO4 | 8.67 x 10-13 |
Thallium(I) hydroxide | Tl(OH)3 | 1.68 x 10-44 |
Thallium(I) iodate | TlIO3 | 3.12 x 10-6 |
Thallium(I) iodide | TlI | 5.54 x 10-8 |
Thallium(I) thiocyanate | TlSCN | 1.57 x 10-4 |
Thallium(I) sulfide | Tl2S | 6 x 10-22 |
Tin(II) hydroxide | Sn(OH)2 | 5.45 x 10-27 |
Yttrium carbonate | Y2(CO3)3 | 1.03 x 10-31 |
Yttrium fluoride | YF3 | 8.62 x 10-21 |
Yttrium hydroxide | Y(OH)3 | 1.00 x 10-22 |
Yttrium iodate | Y(IO3)3 | 1.12 x 10-10 |
Zinc arsenate | Zn3(AsO4)2 | 2.8 x 10-28 |
Zinc carbonate | ZnCO3 | 1.46 x 10-10 |
Zinc carbonate monohydrate | ZnCO3 x H2O | 5.42 x 10-11 |
Zinc fluoride | ZnF | 3.04 x 10-2 |
Zinc hydroxide | Zn(OH)2 | 3 x 10-17 |
Zinc iodate dihydrate | Zn(IO3)2 x 2H2O | 4.1 x 10-6 |
Zinc oxalate dihydrate | ZnC2O4 x 2H2O | 1.38 x 10-9 |
Zinc selenide | ZnSe | 3.6 x 10-26 |
Zinc selenite monohydrate | ZnSe x H2O | 1.59 x 10-7 |
Zinc sulfide (alpha) | ZnS | 2 x 10-25 |
Zinc sulfide (beta) | ZnS | 3 x 10-23 |