What would be the pH of an ammonia solution if the pH of acetic acid solution of same strength is 3. — Ionic Equilibrium Chemistry Question
Question
What would be the pH of an ammonia solution if the pH of acetic acid solution of same strength is 3.2? The dissociation constants of ammonia and acetic acid are same.
Answer: D
💡 Solution & Explanation
Since Ka = Kb and concentrations are equal, [OH-] in $NH_3$ = [H+] in CH3COOH. So pOH of $NH_3$ = pH of CH3COOH = 3.2. pH of $NH_3$ = 14 - 3.2 = 10.8.
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