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Solubility product of radium sulphate is...

Solubility product of radium sulphate is `4xx10^(-11)`. What will be the solubility of `Ra^(2+)` in 0.10 M `Na_(2)SO_(4)` ?

A

`4xx10^(-10)` M

B

`2xx10^(-5)M`

C

`4xx10^(-5)M`

D

`2xx10^(-10)M`

Text Solution

Verified by Experts

The correct Answer is:
A
`{:(RaSO_(4),hArr,Ra^(+2),+SO_(4)^(-2),),(,,,,),(Na_(2)SO_(4),to,2Na^(+),+SO_(4)^(-2),),(,,0.20,0.10+5,),(Ksp=[5^(')],,[5^(')+0.10],,),(s^(')=4xx10^(-10),,,,):}`
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