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3.4 Using concentrations of solutions in mol/dm3

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Question 20
H

What volume of 0.400 mol/dm3 potassium hydroxide solution is needed to exactly neutralise 20.0 cm3 of 0.250 mol/dm3 sulfuric acid? The equation is H2SO4+2KOH→K2SO4+2H2O\text{H}_2\text{SO}_4 + 2\text{KOH} \rightarrow \text{K}_2\text{SO}_4 + 2\text{H}_2\text{O}H2​SO4​+2KOH→K2​SO4​+2H2​O.

[1]
A

6.25 cm36.25\ \text{cm}^36.25 cm3

B

12.5 cm312.5\ \text{cm}^312.5 cm3

C

25.0 cm325.0\ \text{cm}^325.0 cm3

D

50.0 cm350.0\ \text{cm}^350.0 cm3

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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