What will be the \( \mathrm{pH} \) of an aqueous solution of P \( 1...

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What will be the \( \mathrm{pH} \) of an aqueous solution of
P \( 1.0 \mathrm{M} \) ammonium formate? Given: \( \mathrm{pK}_{\mathrm{a}}=3.8 \) and

W \( \mathrm{pK} \mathrm{Kb}_{\mathrm{b}}=4.8 \)
(1) 7.5
(2) 3.4
(3) 6.5
(4) 10.2
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