. The solubility product of a sparingly soluble salt
AX2 is 3.2×10-11. Its solubility (in moles/ L ) is
(a) 5.6×10-6
(b) 3.1×10-4
(c) 2×10-4
(d) 4×10-4
Best Answer
Correct Option is (c)
AX2⇌A2++2X-
1-S S 2S
∴ Ksp = 4 S3 = 3.2×10-11⇒ S=2×10-4 mol/ - 1
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