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

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Question 21

A laboratory technician prepares separate samples of sulfur dioxide and chlorine in flexible gas bags at room temperature and pressure.

GasRelative formula massInitial mass in the gas bag
Sulfur dioxide, SO2\text{SO}_2SO2​64.03.20 g
Chlorine, Cl2\text{Cl}_2Cl2​71.02.13 g

The technician adds chlorine gas to its bag until the two samples occupy the same volume.

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

a.

Calculate the mass of chlorine gas that the technician adds.

[3]
b.

Calculate the volume of each gas sample after the chlorine is added.

[1]
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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