1.

The solubility product of a sparingly soluble salt AB at room temperature is 1.21 xx 10^(-6). Its molar solubility is

Answer»

`1.21 xx 10^(-6)`
`1.21 xx 10^(-3)`
`1.1 xx 10^(-4)`
`1.1 xx 10^(-3)`

SOLUTION :AB is binary electrolyte.
`S = SQRT(K_(sp)) = sqrt(1.2 xx 10^(-6)) = 1.1 xx 10^(-3) M`.


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