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1xx10^(-3) mol of HCl is added to a buff...

`1xx10^(-3)` mol of HCl is added to a buffer solution made up of 0.01 (M) acetic acid and 0.01(M) sodium acetate. The final pH of the buffer will be (`pK_(a)` of acetic acid is 4.75 at `25^(@)C`)-

A

`4.60`

B

`4.66`

C

`4.75`

D

`4.8`

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