Equilibrium - Result Question 87

####91. The solubility product of a sparingly soluble salt AX2 is 3.2×1011. Its solubility ( in moles/ litre) is

(a) 5.6×106

(b) 3.1×104

(c) 2×104

(d) 4×104

[2004]

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Solution:

  1. (c) For AX2;Ksp=4s33.2×1011=4s3

or s=33.2×10114=2×104



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