calculate the pH in a solution prepared by dissolving 0.10 mol of NH4CH3COO in 0.500Lof 0.40...

Question

Question

calculate the pH in a solution prepared by dissolving 0.10 mol of NH4CH3COO in 0.500Lof 0.40 M HC2H3O2. Ka=1.8*10^-5

please show work

science chemistry

Answer 1

Answer #1

pH = pKa + log(salt/acid)

= 4.745 + log( 0.1/0.4)

= 4.745 - 0.6

= 4.145

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Answer 2

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