AS & A Level Chemistry (9701) — October–November 2024, Paper 52
2 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 16 marks · Planning: preparing standard solutions
Solution X is dilute hydrochloric acid of unknown concentration. A student uses titration with aqueous sodium carbonate, Na2CO3(aq), to determine the concentration of solution X.…
Answer this question and get it marked →Question 2 · 14 marks · Planning: apparatus for heating
A group of students uses the following method to investigate the change in mass that takes place when metal M combines with sulfur to form a metal sulfide. step 1: Weigh a clean…
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