1.

The pKa of acetic acid and pKb, ofammonium hydroxide are 4.76 and 4.75respectively. Calculate the pH ofammonium acetate solution.

Answer»

when a weak acid and a weak baseare mixed to form a solution,the ph of the solution is determined by following formula

ph=7+1/2[pka-pkb]

=7+1/2[4.76-4.75]

=7+1/2[0.01]

=7+0.005

ph=7.005



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