A-LevelChemistryStates of matter9701/12 · May/June 2017 · Q51 Mark

At a temperature of 2500K and a pressure of 1.00 × 10⁻⁴Pa a sample of 0.321 g of sulfur vapour has a volume of 2.08 × 10⁻³ m³. What is the molecular formula of sulfur under these conditions?

BS₂

CS₄

DS₈

✓ Correct answer

A: S

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Topic: States of matter, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2017 Paper 1 Variant 2, question 5.

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