AS & A Level Chemistry (9701) — October–November 2024, Paper 33
3 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 10 marks · Practical skills (quantitative analysis: mass loss method)
When a metal carbonate reacts with a suitable acid, carbon dioxide is produced. You will determine the relative formula mass, Mr, of a metal carbonate by reacting it with excess…
Answer this question and get it marked →Question 2 · 15 marks · Practical skills (quantitative analysis: acid-base titration)
The relative formula mass, Mr, of metal carbonate FA 1 can also be determined by titration of a solution of FA 1 with an acid such as hydrochloric acid: CO₃²⁻(aq) + 2H⁺(aq) →…
Answer this question and get it marked →Question 3 · 15 marks · Practical skills (qualitative analysis: thermal decomposition)
FA 6 contains one cation and one anion both of which are listed in the Qualitative analysis notes. Heat a small spatula measure of FA 6 in a hard-glass test-tube until no further…
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