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What is minimum concentration of SO(4)^(...

What is minimum concentration of `SO_(4)^(2-)` required to precipitate `BaSO_(4)` in solution containing `1 xx 10^(-4)` mole of `Ba^(2+)` ? (`K_(sp)` of `BaSO_(4) = 4 xx 10^(-10)`)

A

`4xx10^(-10)M`

B

`2xx10^(-10)M`

C

`4xx10^(-6)M`

D

`2xx10^(-3)M`

Text Solution

Verified by Experts

The correct Answer is:
D
`{:(BaSO_(4)hArr,Ba^(+2)+,SO_(4)^(-2),,),(,10^(-4),X,,),(Ksp=[10^(-4)][X],,,,),(4xx10^(-10)=10xxX,,rArr x=4xx10^(-6),,):}`
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