The concentration of oxalic acid is 'X' ...

The concentration of oxalic acid is 'X' mol `lit^(-1)` . 40 ml of this solution reacts with 16 ml of 0.05 M acidified `KMnO_(4)` . What is the pH of 'X' M oxalic acid solution ? (Assume that oxalic acid dissociates completely )

`1.3`

`1.699`

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