Question

4
The K,, of PbCro, is 1.0 x 10-16. Then the molar
solubility of PbCrO, is
(a) 1.0 x 10-6
(6) 1.0 x 10-4
(c) 1.0 x 10-16
(d) 1.0 x 10-6
(e) 1.0 x 10-12
​

Answer 1

Answer:

Explanation:

PbCrO4 = Pb+ +CrO4 -

Let, the solubility be s mol/litre

S^2 = 1×10^-16

s= 1×10^-8 mol/litre