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3.4 Using concentrations of solutions in mol/dm3

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Question 3

A technician added 24.0 cm3 of 0.0500 mol/dm3 barium hydroxide solution to 15.0 cm3 of nitric acid. The solutions exactly neutralised each other. The equation for the reaction is Ba(OH)2+2HNO3→Ba(NO3)2+2H2O\text{Ba(OH)}_2 + 2\text{HNO}_3 \rightarrow \text{Ba(NO}_3)_2 + 2\text{H}_2\text{O}Ba(OH)2​+2HNO3​→Ba(NO3​)2​+2H2​O. What is the concentration of the nitric acid?

[1]
A

0.0400 mol/dm30.0400\ \text{mol/dm}^30.0400 mol/dm3

B

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

C

0.160 mol/dm30.160\ \text{mol/dm}^30.160 mol/dm3

D

0.320 mol/dm30.320\ \text{mol/dm}^30.320 mol/dm3

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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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