A-LevelChemistryStates of matter9701/12 · Oct/Nov 2021 · Q81 Mark

The general gas equation can be used to calculate the value of the Mr of a gas. For a sample of a gas of mass m grams, which expression will give the value of Mr?

AmRT / pV

BpVRT / m

CmpV / RT

DpV / mRT

✓ Correct answer

A: mRT / pV

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Topic: States of matter, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2021 Paper 1 Variant 2, question 8.

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