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8 April, 05:22

Determine the concentrations of hg22 and cl - in a saturated solution of hg2cl2 in

a. pure water (assume μ = 0).

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  1. 8 April, 05:31
    0
    To solve this, we need the solubility constant for Hg2Cl2, which is:

    Ksp = 1.4 x 10^-18

    The ionic formula would be:

    Hg2Cl2 (s) - - - > Hg2 2 + (aq) + 2Cl - (aq)

    Therefore the total amounts of ions produced = x M Hg2 2 + and 2x M Cl-

    The formula for Ksp in this case is:

    Ksp = [Hg2 2+] [Cl-]^2

    1.4 x 10^-18 = (x) * (2x) ^2

    1.4 x 10^-18 = 4x^3

    x = 7.0 x 10^-7 M = [Hg2 2+]

    2x = 14 x 10^-7 M = [Cl-]
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