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Acids, bases and titration — Question 43

Original QCE Vault practice · 4 marks

Q43 · Practice questionSimple familiar4 marks

QUESTION 43 (4 marks)

An aqueous mixture contains appreciable ethanoic acid and sodium ethanoate.

a) Explain how it resists a small addition of hydrochloric acid. Include an ionic equation. [3 marks]

b) Explain why repeated large additions of hydrochloric acid eventually produce a substantial pH decrease. [1 marks]

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