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M(OH)(X) has K(SP) 4xx10^(-12) and solub...

`M(OH)_(X)` has `K_(SP) 4xx10^(-12)` and solubility `10^(-4) M`. The value of `x` is:

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
B
`K_(SP)=4xx10^(-12)= [M^(+)][OH^(-)]^(x)`
`= [10^(-4)][x.10^(-4)]^(x)`
`=x^(x).(10^(-4))^(1+x)`
`:.` Thus show that `x = 2`
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