AS & A Level Chemistry (9701) — May–June 2025, Paper 54
2 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 12 marks · Practical skills: density from graph, volume calculation
The relative molecular mass, Mr, of an unknown volatile liquid, Y, can be determined experimentally. A student determines the volume of a conical flask by the following steps:…
Answer this question and get it marked →Question 2 · 18 marks · Practical skills: solution preparation, moles calculation
A student carries out an experiment to determine the charge of an aqueous ion, Mⁿ⁺(aq), of metal M. The student prepares 100.0 cm³ of 1.00 mol dm⁻³ aqueous copper(II) nitrate,…
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