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At a certain temperature, the solubility...

At a certain temperature, the solubility of the salt `M_(m)A_(n)` in water is s moles per litre. The solubility product of the salt is :

A

`M^(m)A^(n)`

B

`(m+n)s^(m+n)`

C

`m^(m)n^(n)s^(m+n)`

D

`M^(m)A^(n)s`

Text Solution

Verified by Experts

The correct Answer is:
C
`M_(m)A_(n)hArr mM^(+)+nA^(-)`
The solubility is s
`[M^(+)]=ms, [A^(-)]=ns`
`K_(sp)=[M^(+)]^(m)[A^(-)]^(n)`
`= (ms)^(m)(ns)^(n)=m^(m)n^(n)s^(m+n)`
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