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The pH of a solution obtained by mixing ...

The pH of a solution obtained by mixing 100 ml of 0.2 M `CH_3COOH` with 100 ml of 0.2 N NaOH will be
`(pK_a "for " CH_3COOH=4.74 and log 2 =0.301)`

A

`5.22`

B

`4.92`

C

`4.56`

D

`5.04`

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