1.

The solubility of an aqueous solution of Mg(OH)_(2) be x then its K_(sp) is ………………………

Answer»

`4x^(3)`
`108X^(5)`
`27x^(4)`
9x

Solution :`Mg(OH)_(2) harr underset(x)(Mg)^(2+)+ underset((2X)^(2))(2OH)^(-)`
`K_(SP) = 4x^(3)`


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