Amount of substance

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Question 19
Easy

The reaction between manganate(VII) ions and ethanedioate ions in acidic solution is represented by the following equation:

2MnO4−+5C2O42−+16H+→2Mn2++10CO2+8H2O 2\text{MnO}_4^- + 5\text{C}_2\text{O}_4^{2-} + 16\text{H}^+ \rightarrow 2\text{Mn}^{2+} + 10\text{CO}_2 + 8\text{H}_2\text{O} 2MnO4−​+5C2​O42−​+16H+→2Mn2++10CO2​+8H2​O

What volume, in dm3\text{dm}^3dm3, of 0.0800 mol dm-3 potassium manganate(VII) solution is required to completely oxidize 0.0500 mol of ethanedioate ions?

0.2500.2500.250

0.6250.6250.625

1.561.561.56

4.004.004.00

Amount of substance Questions

  1. A Level
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