The pH of an aqueous solution of 1.0 M ammonium formate assuming complete dissociation is (p of formic acid = 3.8 and p of ammonia = 4.8)

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Question

The pH of an aqueous solution of 1.0 M ammonium formate assuming complete dissociation is (p$K_a$ of formic acid = 3.8 and p$K_b$ of ammonia = 4.8)

Prashant Kotian · Accepted Answer

Correct answer: C. Ammonium formate is a salt of a weak acid and a weak base. The pH of its aqueous solution is given by the formula . Substituting the given values: .

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