Ionic EquilibriumHard
Question
In a saturated solution of Ag2CO3, silver ion concentration is 2 × 10-4 M. Its solubility product is
Options
A.4 × 10-12
B.3.2 × 10-11
C.8 × 10-12
D.10-12
Solution
Ag2CO3 ⇋ 2Ag+ + CO32-
2s s
Here [Ag+] = 2 s = 2 × 10-4 M ⇒ s = 1 × 10-4
∴ KSP = 4 s3 = 4 (1 × 10-4 )3 = 4 × 10-12
2s s
Here [Ag+] = 2 s = 2 × 10-4 M ⇒ s = 1 × 10-4
∴ KSP = 4 s3 = 4 (1 × 10-4 )3 = 4 × 10-12
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