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3.2 Use of amount of substance in relation to masses of pure substances

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Question 16

Carbon monoxide reacts with oxygen.

2CO+O2→2CO22\text{CO} + \text{O}_2 \rightarrow 2\text{CO}_22CO+O2​→2CO2​

ElementCarbonOxygen
Relative atomic mass (ArA_rAr​)1216

The reactants are mixed in the amounts shown.

ReactantMass mixed
CO\text{CO}CO14.0 g
O2\text{O}_2O2​12.0 g

Calculate the maximum mass of CO2\text{CO}_2CO2​ that can be formed.

[4]
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3.2 Use of amount of substance in relation to masses of pure substances Questions

  1. GCSE
  2. /Chemistry
  3. /3.2 Use of amount of substance in relation to masses of pure substances

131 exam-style questions on AQA GCSE Chemistry 3.2 Use of amount of substance in relation to masses of pure substances, covering 3.2.1 Moles, 3.2.2 Amounts of substances in equations, 3.2.3 Using moles to balance equations, 3.2.4 Limiting reactants, 3.2.5a Concentration of solutions, and 3.2.5b Relating mass, volume and concentration. Each one has a worked solution and a mark scheme showing where the marks go.

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