Since the solutions are buffers, we can use the Henderson-Hasselbalch equation to calculate the pH
• CH3COOH→ weak acid. It will give its conjugate base when it loses H+
CH3COOH(aq) + H2O(l) → CH3COO-(aq) + H3O+(aq)
• CH3COONa is the salt of the conjugate base of acetic acid. It will completely dissociate in a solution
CH3COONa → CH3COO- + Na+
Calculate the pH of each of the following buffered solutions.
a. 0.10 M acetic acid/0.25 M sodium acetate
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