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The solubility product for a salt of the...

The solubility product for a salt of the type AB is `4xx10^(-8)`. What is the molarity of its standard solution?

A

`16xx10^(-16) mol//L`

B

`2xx10^(-16) mol//L`

C

`4xx10^(-4) mol//L`

D

`2xx10^(-4) mol//L`

Text Solution

Verified by Experts

The correct Answer is:
D
For salt AB
`K_(sp)=(s)^2`
`s=sqrt(K_(sp))`
`s=sqrt(4xx10^(-8))`
`s=2xx10^(-4) M`
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