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PH value of a saturated solution Ba(OH)2...

PH value of a saturated solution Ba(OH)_2 is 12. Calculate solubility product K_sp` for Ba (`OH)_2`(3+2

A

`3.3 xx 10^(-7)`

B

`5.0 xx 10^(-7)`

C

`4.0 xx 10^(-6)`

D

`5.0 xx 10^(-6)`

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The correct Answer is:
B
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