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3.4 Using concentrations of solutions in mol/dm3

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Question 11
H

A student dissolves 2.65 g of sodium carbonate in water to make 200 cm3 of solution. The relative formula mass of Na2CO3\text{Na}_2\text{CO}_3Na2​CO3​ is 106. What is the concentration of the solution in mol/dm3\text{mol/dm}^3mol/dm3?

[1]
A

0.00500 mol/dm30.00500\ \text{mol/dm}^30.00500 mol/dm3

B

0.0250 mol/dm30.0250\ \text{mol/dm}^30.0250 mol/dm3

C

0.125 mol/dm30.125\ \text{mol/dm}^30.125 mol/dm3

D

13.3 mol/dm313.3\ \text{mol/dm}^313.3 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

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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