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

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Question 45

A technician prepares a batch of sodium hydroxide solution. Every 1 dm3 of the finished solution contains 28 g of sodium hydroxide.

a.

The technician pours 350 cm3 of the solution into a container.

Calculate the mass of sodium hydroxide in the container.

[3]
b.

Another container is filled with 175 cm3 from the batch.

Give the mass of sodium hydroxide in this container.

[1]
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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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