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

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Question 38

A technician needs to prepare a batch of reaction mixtures using calcium chloride solution.

Preparation dataValue
Number of reaction mixtures8
Mass of calcium chloride needed for each mixture1.5 g
Volume of solution available350 cm3
Concentration of the solution32 g/dm3

Determine whether the available solution contains enough calcium chloride for the batch. If it does not, calculate the additional volume of solution needed.

[5]
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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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