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3.4 Using concentrations of solutions in mol/dm3

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Question 16

A student dissolves 8.30 g of potassium iodide, KI\text{KI}KI, in water to make 0.250 dm3 of solution. The relative formula mass of KI\text{KI}KI is 166. What is the concentration of the solution?

[1]
A

0.0500 mol/dm30.0500\ \text{mol/dm}^30.0500 mol/dm3

B

33.2 mol/dm333.2\ \text{mol/dm}^333.2 mol/dm3

C

0.0125 mol/dm30.0125\ \text{mol/dm}^30.0125 mol/dm3

D

0.200 mol/dm30.200\ \text{mol/dm}^30.200 mol/dm3

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

106 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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