Chemistry, 27.04.2021 15:50, student10190
A buffer solution containing acetic acid and sodium acetate is resistant to large change in pH when a strong base is added because:.
1. some of the acetic acid ionizes to produce hydronium ions, which partly neutralize the added hydroxide ions.
2. the acetate ion reacts with part of the hydroxide ions so that the effect on the pH is small.
3. the stated effect would not occur; this solution is buffered only against the addition of a strong acid.
4. some of the added hydroxide ions react with hydronium ions from the acid and more acetic acid is then formed from the acetate ions present.
5. some of the acetate ion hydrolyzes producing hydronium ions, which partly neutralize the added base.
Answers: 2
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