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

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Question 12
H

The relative formula mass of helium, He\text{He}He, is 4 and the relative formula mass of hydrogen, H2\text{H}_2H2​, is 2.

Which pair of samples occupies the same volume at room temperature and pressure?

[1]
A

4 g4\ \text{g}4 g of helium, He\text{He}He, and 2 g2\ \text{g}2 g of hydrogen, H2\text{H}_2H2​

B

4 g4\ \text{g}4 g of helium, He\text{He}He, and 4 g4\ \text{g}4 g of hydrogen, H2\text{H}_2H2​

C

2 g2\ \text{g}2 g of helium, He\text{He}He, and 2 g2\ \text{g}2 g of hydrogen, H2\text{H}_2H2​

D

2 g2\ \text{g}2 g of helium, He\text{He}He, and 4 g4\ \text{g}4 g of hydrogen, H2\text{H}_2H2​

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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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