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3.4 Using concentrations of solutions in mol/dm3

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Question 36
H

In a titration, 25.0 cm3 of calcium hydroxide solution was exactly neutralised by 20.0 cm3 of 0.0300 mol/dm3 hydrochloric acid. The equation is Ca(OH)2+2HCl→CaCl2+2H2O\text{Ca(OH)}_2 + 2\text{HCl} \rightarrow \text{CaCl}_2 + 2\text{H}_2\text{O}Ca(OH)2​+2HCl→CaCl2​+2H2​O. What is the concentration of the calcium hydroxide solution?

[1]
A

0.0120 mol/dm30.0120\ \text{mol/dm}^30.0120 mol/dm3

B

0.0188 mol/dm30.0188\ \text{mol/dm}^30.0188 mol/dm3

C

0.0240 mol/dm30.0240\ \text{mol/dm}^30.0240 mol/dm3

D

0.0480 mol/dm30.0480\ \text{mol/dm}^30.0480 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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