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3.4 Using concentrations of solutions in mol/dm3

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Question 12
H

The figure shows the concentration, in g/dm3\text{g/dm}^3g/dm3, of four solutions of sodium chloride, A, B, C and D.

Relative formula mass (MrM_rMr​): NaCl=58.5\text{NaCl} = 58.5NaCl=58.5

Figure: The concentration in g/dm3\text{g/dm}^3g/dm3 of four solutions of sodium chloride

image

a.

Use the figure to determine the concentration, in g/dm3\text{g/dm}^3g/dm3, of solution C.

[1]
b.

Calculate the concentration of solution C in mol/dm3\text{mol/dm}^3mol/dm3.

Give your answer to 3 significant figures.

[2]
c.

Give the letter of the solution that contains the greatest amount, in mol\text{mol}mol, of sodium chloride in 1 dm3 of solution.

[1]
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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