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

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Question 5
H

Figure represents equal volumes of two gases, P and Q, in two identical sealed containers at the same temperature and pressure.

Figure: Particle diagrams of equal volumes of gas P and gas Q at the same temperature and pressure

image

The relative formula mass of gas P is 28 and the relative formula mass of gas Q is 44.

a.

Give what Figure shows about the amount, in moles, of gas P compared with the amount, in moles, of gas Q.

[1]
b.

The container of gas P holds 0.10 mol of gas. The volume of one mole of any gas at room temperature and pressure is 24 dm3.

Calculate the volume of one container.

[1]
c.

Calculate the mass of gas Q in its container.

[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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