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The pH of the solution obtained by mixin...

The pH of the solution obtained by mixing 250ml,0.2 M `CH_3COOH` and 200 ml 0.1 M NaOH is (Given `pK_a` of `CH_3COOH`= 4.74,log 3=0.48)

A

5.22

B

4.92

C

4.56

D

5.04

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