Edexcel A-Level Chemistry (9CH0) · EDEXCEL 9CH0
11 Equilibrium II — Acid-base equilibria (A-Level only)
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Equilibrium II — Acid-base equilibria (A-Level only)
- A buffer solution is prepared by dissolving sodium ethanoate in excess ethanoic acid. Expl… (5 marks, Explain)
- Blood plasma is maintained at a pH of approximately 7.4 by a carbonic acid / hydrogencarbo… (5 marks, Explain)
- A student adds a small volume of dilute hydrochloric acid to a buffer solution made from m… (5 marks, Explain)
- A buffer solution can be made by mixing propanoic acid (CH₃CH₂COOH) with sodium propanoate… (5 marks, Explain)
- A student prepares a buffer solution by dissolving excess ammonium chloride in aqueous amm… (5 marks, Explain)
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