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How many grams of CaC2O4 saturation wil...

How many grams of `CaC_2O_4` saturation will dissolve in one litre of saturated solution ? `( K_sp` of `CaC_2O_4` is` 2.5 xx 10^_9 mol^-2` and its molecular weight is 128).

A

0.0064g

B

0.0128g

C

0.0032 g

D

0.0640 g

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The correct Answer is:
A
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