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

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Question 42

A student heats sodium in a gas jar of chlorine to make sodium chloride. When the reaction stops, some sodium is left unreacted.

The student repeats the experiment using twice the mass of sodium and the same mass of chlorine.

What happens to the mass of sodium chloride formed?

[1]
A

It stays the same.

B

It decreases.

C

It increases, but does not double.

D

It doubles.

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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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