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3.5 Use of amount of substance in relation to volumes of gases

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Question 4

The volume of one mole of any gas at room temperature and pressure is 24 dm3.

Four pure gas samples are shown in the table.

SampleGasRelative formula mass, MrM_rMr​Mass in g
Pnitrogen monoxide, NO\text{NO}NO307.5
Qsulfur dioxide, SO2\text{SO}_2SO2​6432
Rnitrous oxide, N2O\text{N}_2\text{O}N2​O4433
Sfluorine, F2\text{F}_2F2​3838

Which labelled sample would occupy 12 dm3 at room temperature and pressure?

[1]
A

Sample R: nitrous oxide, N2O\text{N}_2\text{O}N2​O

B

Sample Q: sulfur dioxide, SO2\text{SO}_2SO2​

C

Sample P: nitrogen monoxide, NO\text{NO}NO

D

Sample S: fluorine, F2\text{F}_2F2​

Markscheme

3.5 Use of amount of substance in relation to volumes of gases Questions

  1. GCSE
  2. /Chemistry
  3. /3.5 Use of amount of substance in relation to volumes of gases

100 exam-style questions on AQA GCSE Chemistry 3.5 Use of amount of substance in relation to volumes of gases, covering 3.5.1 Volumes of gases. Each one has a worked solution and a mark scheme showing where the marks go.

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