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5.1 Monitoring chemical reactions

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Question 40

A sample contains 0.40 g of methane, CH4\mathrm{CH_{4}}CH4​, at room temperature and pressure.

One mole of any gas occupies 24 dm3\mathrm{dm^{3}}dm3 at room temperature and pressure.

Relative atomic masses (ArA_rAr​): C = 12.0, H = 1.0

What volume does the methane occupy?

[1]
A

1.20 dm31.20\,\mathrm{dm^{3}}1.20dm3

B

9.60 dm39.60\,\mathrm{dm^{3}}9.60dm3

C

0.30 dm30.30\,\mathrm{dm^{3}}0.30dm3

D

0.60 dm30.60\,\mathrm{dm^{3}}0.60dm3

Markscheme

5.1 Monitoring chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /5.1 Monitoring chemical reactions

152 exam-style questions on OCR GCSE Chemistry 5.1 Monitoring chemical reactions, covering 5.1.1 The technique of titration, 5.1.2 Theoretical mass, percentage yield and atom economy, 5.1.3 Concentration of a solution in mol/dm3, 5.1.4 Concentration calculations and titration results, 5.1.5 Molar gas volume and volumes of gases in reactions, and 5.1.6 Choosing a reaction pathway. Each one has a worked solution and a mark scheme showing where the marks go.

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