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How much water must be added to 300 mL o...

How much water must be added to `300 mL` of a `0.2M` solution of `CH_(3)COOH` for the degree of dissociation of the acid to double ? ( Assume `K_(a)` of acetic is of order of `10^(-5)M)`

A

600 mL

B

900 mL

C

1200 mL

D

1500 mL

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