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

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Question 19
H

A student dissolved 4.5 g of sodium sulfate in water to make 150 cm3 of solution.

What is the concentration of the solution?

[1]
A

0.030 g/dm30.030\ \text{g/dm}^30.030 g/dm3

B

0.675 g/dm30.675\ \text{g/dm}^30.675 g/dm3

C

30 g/dm330\ \text{g/dm}^330 g/dm3

D

675 g/dm3675\ \text{g/dm}^3675 g/dm3

Markscheme

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

40 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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