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The solubility product of a salt having ...

The solubility product of a salt having general formula `MX_(2)` in water is `4xx10^(-12)`. The concentration of `M^(2+) ions` in the aqueous solution of the salt is:

A

`2xx10^(-6) M`

B

`1xx10^(-4) M`

C

`1.6xx10^(-4) M`

D

`4.0xx10^(-6) M`

Text Solution

Verified by Experts

The correct Answer is:
B
`(MX_(2))hArrunderset(S)(M^(2+))+underset(2S)(2X^(-))`
`K_(SP)MS_(2)=4S^(3)=4xx10^(-12)`
`:. S=10^(-4)`
`:. [M^(2+)]=10^(-4) M`
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