Question

1. Find the pH of a 0.120 M solution of a weak monoprotic acid having Ka= 1.3×10^−5. Also find the percent dissociation for this solution.

2. Find the pH of a 0.120 M solution of a weak monoprotic acid having Ka= 1.6×10^−3. Also find the percent dissociation for this solution.

3. Find the pH of a 0.120 M solution of a weak monoprotic acid having Ka= 0.12. Also find the percent dissociation for this solution.