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

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Question 11
H

Zinc reacts with an excess of dilute hydrochloric acid.

Zn+2HCl→ZnCl2+H2\text{Zn} + 2\text{HCl} \rightarrow \text{ZnCl}_2 + \text{H}_2Zn+2HCl→ZnCl2​+H2​

0.65 g of zinc reacts completely. The relative atomic mass of zinc is 65. The volume of one mole of any gas at room temperature and pressure is 24 dm3.

What is the volume of hydrogen produced at room temperature and pressure?

[1]
A

2.4 cm32.4\ \text{cm}^32.4 cm3

B

24 cm324\ \text{cm}^324 cm3

C

2400 cm32400\ \text{cm}^32400 cm3

D

240 cm3240\ \text{cm}^3240 cm3

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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