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

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Question 16

A technician must obtain 5.0 g of sodium bromide from a solution. Each 1.0 dm³ of the solution contains 20 g of sodium bromide.

What volume of the solution should the technician use?

[1]

$cm3250\ \text{cm}^3$

$cm30.25\ \text{cm}^3$

$cm34.0\ \text{cm}^3$

$cm3100\ \text{cm}^3$

Markscheme

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

GCSE
Chemistry
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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