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Question
Which is the CORRECT representation for the solubility product (Ksp) of Bi2S3?
Options
[2Bi3+]2 [3S2−]3
[Bi3+]3 [S2−]2
[Bi3+] [S2−]
[Bi3+]2 [S2−]3
MCQ
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Solution
[Bi3+]2 [S2−]3
Explanation:
The solubility equilibrium for Bi2S3 is
\[\ce{Bi2S3_{(s)} ⇌ 2Bi^{3+}_{( aq)} + 3S^{2-}_{( aq)}}\]
∴ Ksp = [Bi3+]2 [S2−]3
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Solubility Product
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