Posted by tota on Tuesday, November 15, 2011 at 1:19pm.
Is all of this part of the problem. Frankly, I never heard of the equilibrium of CuS + H2O ==> CuSO4. If you want to know the solubility, use Ksp.
CuS ==> Cu^2+ + S^2-
S.......S......S...where S = solubility.
Ksp = (Cu^2+)(S^2-)
Substitute Ksp and from the chart above. Solve for S which is solubility CuS in moles/L.
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