Calculate the pH of an aqueous solution ...

Calculate the `pH` of an aqueous solution of `1.0M` ammonium formate assuming complete dissociation. `(pK_(a)` fo atomic acid is `3.8` and `pK_(a)` of ammonia is `4.8)`.

A

5.5

B

7.5

C

6.1

D

6.5

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The correct Answer is:

D

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