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The solubility product of BaSO(4)" at " ...

The solubility product of `BaSO_(4)" at " 25^(@) C " is " 1.0 xx 10^(-9)`. What would be the concentration of `H_(2)SO_(4)` necessary to precipitate `BaSO_(4)` from a solution of `0.01" M Ba"^(+2)` ions

A

`10^(-9)`

B

`10^(-8)`

C

`10^(-7)`

D

`10^(-6)`

Text Solution

Verified by Experts

The correct Answer is:
C
`BaSO_(4) hArr underset (0.01) underset ((S)) (Ba^(++)) + underset ((S))(SO_(4)^(--))`
`K_(sp) = S^(2) = S xx S = 0.01 xx S `
`S_((SO_(4)^(2-)))= (K_(sp))/(S_((Ba^(++)))) = (1xx10^(-9))/(0.01) = 10^(-7)` mole/litre .
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