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If the pH of a saturated aq. solution of...

If the pH of a saturated aq. solution of `Ba(OH)_(2)` is 12, the value of its `K_(sp)` at 298 K is

A

`5 times 10^(-7)M^(3)`

B

`4 times 10^(-6)M^(3)`

C

`4 times 10^(-7)M^(3)`

D

`5 times 10^(-6)M^(3)`

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The correct Answer is:
A
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