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

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Question 9
H

The volume of a gas at room temperature and pressure (rtp) can be calculated using the equation:

volume in dm3\text{dm}^3dm3 = amount in mol×24\text{mol} \times 24mol×24

a.

Rearrange the equation to give the amount, in moles, of a gas.

[1]
b.

A sample of nitrogen has a volume of 3.6 dm3 at rtp.

Calculate the amount, in moles, of nitrogen in the sample.

[1]
c.

The relative formula mass of nitrogen, N2\text{N}_2N2​, is 28.

Calculate the mass of nitrogen in the sample.

[2]
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

40 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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