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If 20 mL of 0.1 M NaOH is added to 30 mL...

If 20 mL of 0.1 M NaOH is added to 30 mL of 0.2 M `CH_(3)COOH`(pK_(a)=4.74), the pH of the resulting solution is :

A

`4.44`

B

`9.56`

C

`8.96`

D

`9.26`

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