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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

`2xx10^(-3)M`

B

`2xx10^(-7)M`

C

`4xx10^(-6)M`

D

`4xx10^(-10)M`

Text Solution

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The correct Answer is:
C
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