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Amount of substance

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Question 34

An excess of sodium hydrogencarbonate, NaHCO3\text{NaHCO}_3NaHCO3​, is added to a 50.0 cm3 sample of 0.600 mol dm-3 sulfuric acid, H2SO4\text{H}_2\text{SO}_4H2​SO4​.

What volume of carbon dioxide gas, in dm3\text{dm}^3dm3, is released at room temperature and pressure (RTP)?

(Assume the molar volume of a gas at RTP is 24.0 dm3 mol-1)

A

0.36 dm30.36\text{ dm}^30.36 dm3

B

0.72 dm30.72\text{ dm}^30.72 dm3

C

1.34 dm31.34\text{ dm}^31.34 dm3

D

1.44 dm31.44\text{ dm}^31.44 dm3

Markscheme

Amount of substance Questions

  1. A Level
  2. /Chemistry
  3. /Amount of substance

79 exam-style questions on AQA A Level Chemistry Amount of substance, covering Relative atomic mass and relative molecular mass, The mole and the Avogadro constant, The ideal gas equation, Empirical and molecular formula, and Balanced equations and associated calculations. Each one has a worked solution and a mark scheme showing where the marks go.

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