A-LevelChemistryStates of matter9701/12 · May/June 2023 · Q81 Mark

The volume of a vessel is 1.20 × 10⁻³ m³. It contains pure argon at a pressure of 1.00 × 10⁵ Pa, and at a temperature of 25.0 °C. Under these conditions it can be assumed that argon behaves as an ideal gas. Which mass of argon does it contain?

A0.0485 g

B1.93 g

C10.4 g

D23.0 g

✓ Correct answer

B: 1.93 g

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Topic: States of matter, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2023 Paper 1 Variant 2, question 8.

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