1.

K_(sp) of M(OH)_(x), is 27 xx 10^(-12) and its solubility in water is 10^(-3) mol litre^(-1) . Find the value of X

Answer»


SOLUTION :` M(OH) _x HARR underset(S) M^(X+) +X underset( xs) OH^(-) `
` K_(sp)=S(XS)^(x) `
` 27 XX 10 ^(-12)= (10 ^(-3)) ( X 10 ^(-3)) ^(x) `
` 27 xx 10 ^(_12)= 10 ^(-3-3x), X^(x) rArr 3^(3) =27 ,x=3`


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