AS & A Level Chemistry (9701) — May–June 2023, 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 · 17 marks · Practical skills (mass and density calculations)
Calculate the volume of methyl benzoate used in step 1. Give your answer to the nearest 0.05 cm3. Density of methyl benzoate is 1.08 g cm-3.
Answer this question and get it marked →Question 2 · 13 marks · Acids and bases (pH and hydrogen ion concentration)
Use Fig. 2.1 to calculate the hydrogen ion concentration of pure water at 45 degrees C. pH = -log[H+(aq)].
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