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3.4 Using concentrations of solutions in mol/dm3

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Question 7
F

Some water is evaporated from a solution of potassium nitrate. No potassium nitrate is lost. Which statement describes the solution after the water has evaporated?

[1]
A

The amount of solute in mol\text{mol}mol stays the same and the concentration in mol/dm3\text{mol/dm}^3mol/dm3 increases.

B

The amount of solute in mol\text{mol}mol stays the same and the concentration in mol/dm3\text{mol/dm}^3mol/dm3 decreases.

C

The amount of solute in mol\text{mol}mol increases and the concentration in mol/dm3\text{mol/dm}^3mol/dm3 increases.

D

The amount of solute in mol\text{mol}mol decreases and the concentration in mol/dm3\text{mol/dm}^3mol/dm3 stays the same.

Markscheme

3.4 Using concentrations of solutions in mol/dm3 Questions

  1. GCSE
  2. /Chemistry
  3. /3.4 Using concentrations of solutions in mol/dm3

40 exam-style questions on AQA GCSE Chemistry 3.4 Using concentrations of solutions in mol/dm3, covering 3.4.1 Concentration in mol/dm3. Each one has a worked solution and a mark scheme showing where the marks go.

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