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21 November, 22:02

Calculate the solubility of co (oh) 3 in a saturated solution of co (oh) 3

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  1. 21 November, 22:24
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    Co (OH) ₃ (s) ⇄ Co³⁺ (aq) + 3OH⁻ (aq)

    Ksp=1.6*10⁻⁴⁴ (reference data)

    Ksp=[Co³⁺][OH⁻]³

    c=[Co³⁺]=[OH⁻]/3

    Ksp=c * (3c) ³=27c⁴

    c=⁴√ (Ksp/27)

    c=⁴√ (1.6*10⁻⁴⁴/27) = 4.93*10⁻¹² mol/L
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