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4.2 Reactions of acids

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Question 12
H

In a titration, 25.0 cm3 of 0.100 mol/dm3 sodium hydroxide solution was neutralised by 20.0 cm3 of hydrochloric acid.

NaOH+HCl→NaCl+H2O\text{NaOH} + \text{HCl} \rightarrow \text{NaCl} + \text{H}_2\text{O}NaOH+HCl→NaCl+H2​O

What is the concentration of the hydrochloric acid?

[1]
A

0.0800 mol/dm30.0800\ \text{mol/dm}^30.0800 mol/dm3

B

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

C

0.800 mol/dm30.800\ \text{mol/dm}^30.800 mol/dm3

D

1.25 mol/dm31.25\ \text{mol/dm}^31.25 mol/dm3

Markscheme

4.2 Reactions of acids Questions

  1. GCSE
  2. /Chemistry
  3. /4.2 Reactions of acids

40 exam-style questions on AQA GCSE Chemistry 4.2 Reactions of acids, covering 4.2.1a Reactions of acids with metals, 4.2.1b Redox in acid-metal reactions, 4.2.2 Neutralisation of acids and salt production, 4.2.3 Soluble salts, 4.2.4 The pH scale and neutralisation, 4.2.5a Titrations, 4.2.5b Calculating quantities in titrations, and 4.2.6 Strong and weak acids. Each one has a worked solution and a mark scheme showing where the marks go.

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