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Question
CBSEENCH12005736

If the solubility product of CuS is 6 x 10–16, calculate the maximum molarity of CuS in aqueous solution.

Solution
Answer:
Solubility product of CuS, Ksp = 6x10-16

Suppose solubility of CuS is x mol–1
This would give x mol–1 of Cu2+ ions and x mol L–1 of S2– ions on dissociation.
[Cu2+] = x mol–1
[S2–] = x mol–1