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Chemistry LibreTexts

12.10: Solubility Products

  • Page ID
    233064
  • Table of Contents

    This page contains several tables detailing the standard solubility products for several different substances. The table has been separated by substance, as listed below:

    Aluminum Chromium Magnesium Silver
    Barium Cobalt Manganese Strontium
    Bismuth Copper Mercury Thallium
    Cadmium Iron Nickel Tin
    Calcium Lead Potassium Zinc

    Aluminum

    Substance Ksp at 25 °C
    Al(OH)3 2\times{10}^{-32}

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    Barium

    Substance Ksp at 25 °C
    BaCO3 1.6 \times {10}^{-9}
    BaC2O4•2H2O 1.1 \times {10}^{-7}
    BaSO4 2.3 \times {10}^{-8}
    BaCrO4 8.5 \times {10}^{-11}
    BaF2 2.4 \times {10}^{-5}
    Ba(OH)2•8H2O 5.0 \times {10}^{-3}
    Ba3(PO4)2 6 \times {10}^{-39}
    Ba3(AsO4)2 1.1 \times {10}^{-13}

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    Bismuth

    Substance Ksp at 25 °C
    BiO(OH) 4 \times {10}^{-10}
    BiOCl 1.8 \times {10}^{-31}
    Bi2S3 1 \times {10}^{-97}

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    Cadmium

    Substance Ksp at 25 °C
    Cd(OH)2 5.9 \times {10}^{-15}
    CdS 1.0 \times {10}^{-28}
    CdCO3 5.2 \times {10}^{-12}

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    Calcium

    Substance Ksp at 25 °C
    Ca(OH)2 1.3 \times {10}^{-6}
    CaCO3 8.7 \times {10}^{-9}
    CaSO4•2H2O 6.1 \times {10}^{-5}
    CaC2O4•H2O 1.96 \times {10}^{-8}
    Ca3(PO4)2 1.3 \times {10}^{-32}
    CaHPO4 7 \times {10}^{-7}
    CaF2 4.0 \times {10}^{-11}

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    Chromium

    Substance Ksp at 25 °C
    Cr(OH)3 6.7 \times {10}^{-31}

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    Cobalt

    Substance Ksp at 25 °C
    Co(OH)2 2.5 \times {10}^{-16}
    CoS(α) 5 \times {10}^{-22}
    CoS(β) 3 \times {10}^{-26}
    CoCO3 1.4 \times {10}^{-13}
    Co(OH)3 2.5 \times {10}^{-43}

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    Copper

    Substance Ksp at 25 °C
    CuCl 1.2 \times {10}^{-6}
    CuBr 6.27 \times {10}^{-9}
    CuI 1.27 \times {10}^{-12}
    CuSCN 1.6 \times {10}^{-11}
    Cu2S 2.5 \times {10}^{-48}
    Cu(OH)2 2.2 \times {10}^{-20}
    CuS 8.5 \times {10}^{-45}
    CuCO3 2.5 \times {10}^{-10}

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    Iron

    Substance Ksp at 25 °C
    Fe(OH)2 1.8 \times {10}^{-15}
    FeCO3 2.1 \times {10}^{-11}
    FeS 3.7 \times {10}^{-19}
    Fe(OH)3 4 \times {10}^{-38}

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    Lead

    Substance Ksp at 25 °C
    Pb(OH)2 1.2 \times {10}^{-15}
    PbF2 4 \times {10}^{-8}
    PbCl2 1.6 \times {10}^{-5}
    PbBr2 4.6 \times {10}^{-6}
    PbI2 1.4 \times {10}^{-8}
    PbCO3 1.5 \times {10}^{-15}
    PbS 7 \times {10}^{-29}
    PbCrO4 2 \times {10}^{-16}
    PbSO4 1.3 \times {10}^{-8}
    Pb3(PO4)2 1 \times {10}^{-54}

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    Magnesium

    Substance Ksp at 25 °C
    Mg(OH)2 8.9 \times {10}^{-12}
    MgCO3•3H2O ca1 \times {10}^{-5}
    MgNH4PO4 3 \times {10}^{-13}
    MgF2 6.4 \times {10}^{-9}
    MgC2O4 7 \times {10}^{-7}

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    Manganese

    Substance Ksp at 25 °C
    Mn(OH)2 2 \times {10}^{-13}
    MnCO3 8.8 \times {10}^{-11}
    MnS 2.3 \times {10}^{-13}

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    Mercury

    Substance Ksp at 25 °C
    Hg2O•H2O 3.6 \times {10}^{-26}
    Hg2Cl2 1.1 \times {10}^{-18}
    Hg2Br2 1.3 \times {10}^{-22}
    Hg2I2 4.5 \times {10}^{-29}
    Hg2CO3 9 \times {10}^{-15}
    Hg2SO4 7.4 \times {10}^{-7}
    Hg2S 1.0 \times {10}^{-47}
    Hg2CrO4 2 \times {10}^{-9}
    HgS 1.6 \times {10}^{-54}

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    Nickel

    Substance Ksp at 25 °C
    Ni(OH)2 1.6 \times {10}^{-16}
    NiCO3 1.4 \times {10}^{-7}
    NiS(α) 4 \times {10}^{-20}
    NiS(β) 1.3 \times {10}^{-25}

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    Potassium

    Substance Ksp at 25 °C
    KClO4 1.05 \times {10}^{-2}
    K2PtCl6 7.48 \times {10}^{-6}
    KHC4H4O6 3 \times {10}^{-4}

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    Silver

    Substance Ksp at 25 °C
    {}_{2}^{1}\text{A}{\text{g}}_{\text{2}}\text{O}\left({\text{Ag}}^{+}+{\text{OH}}^{-}\right) 2 \times {10}^{-8}
    AgCl 1.6 \times {10}^{-10}
    AgBr 5.0 \times {10}^{-13}
    AgI 1.5 \times {10}^{-16}
    AgCN 1.2 \times {10}^{-16}
    AgSCN 1.0 \times {10}^{-12}
    Ag2S 1.6 \times {10}^{-49}
    Ag2CO3 8.1 \times {10}^{-12}
    Ag2CrO4 9.0 \times {10}^{-12}
    Ag4Fe(CN)6 1.55 \times {10}^{-41}
    Ag2SO4 1.2 \times {10}^{-5}
    Ag3PO4 1.8 \times {10}^{-18}

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    Strontium

    Substance Ksp at 25 °C
    Sr(OH)2•8H2O 3.2 \times {10}^{-4}
    SrCO3 7 \times {10}^{-10}
    SrCrO4 3.6 \times {10}^{-5}
    SrSO4 3.2 \times {10}^{-7}
    SrC2O4•H2O 4 \times {10}^{-7}

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    Thallium

    Substance Ksp at 25 °C
    TlCl 1.7 \times {10}^{-4}
    TlSCN 1.6 \times {10}^{-4}
    Tl2S 6 \times {10}^{-22}
    Tl(OH)3 6.3 \times {10}^{-46}

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    Tin

    Substance Ksp at 25 °C
    Sn(OH)2 3 \times {10}^{-27}
    SnS 1 \times {10}^{-26}
    Sn(OH)4 1.0 \times {10}^{-57}

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    Zinc

    Substance Ksp at 25 °C
    ZnCO3 2 \times {10}^{-10}

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