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20 ml of 0.02 M KMnO4 was required to co...

20 ml of 0.02 M `KMnO_4` was required to completely oxidise 10 ml of oxalic acid solution. What is the molarity of the oxalic acid solution ?

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To find the molarity of the oxalic acid solution, we can follow these steps: ### Step 1: Write the balanced chemical equation The reaction between potassium permanganate (KMnO4) and oxalic acid (H2C2O4) in acidic medium can be represented as: \[ \text{KMnO}_4 + \text{H}_2\text{C}_2\text{O}_4 \rightarrow \text{K}_2\text{SO}_4 + \text{MnSO}_4 + \text{CO}_2 + \text{H}_2\text{O} \] Balancing the equation, we find that 2 moles of KMnO4 react with 5 moles of oxalic acid. ...
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