Ionic EquilibriumHard

Question

The solubility product of a salt having general formula MX2, in water is: 4 × 10-12. The concentration of M2+ ions in the aqueous solution of the salt is

Options

A.2.0 × 10-6 M
B.1.0 × 10-4 M
C.1.6 × 10-4 M
D.4.0 × 10-10 M

Solution


MX2 ⇋ M+2 + 2X-
              S       2S
Ksp = 4s3, S = = 1 × 10-4

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