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In the redox reaction,

2KMnO4 + 3H2SO4 + 5H2C2O4 → K2SO4 + 2MnSO4 + 8H2O + 10CO2

The volume of 0.1 M KMnO4 required to Oxidize 25 mL of 0.25 M H2C2O4solution is

25 L
125 mL
25 mL
1.25 L
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