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pH of a saturated solution of Ba(OH)2 is...

pH of a saturated solution of `Ba(OH)_2` is 12. The value of solubility product `K_(sp)` of `Ba(OH)_2` is

A

`3.3xx10^-7`

B

`5.0xx10^-7`

C

`4.0xx10^-6`

D

`5.0xx10^-6`

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The correct Answer is:
B
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