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2 mole, equimolar mixture of Na(2)C(2)O(...

2 mole, equimolar mixture of `Na_(2)C_(2)O_(4) and H_(2)C_(2)O_(4)` required `V_1 L ` of 0.1 M `KMnO_4` in acidic medium for complete oxidatiion. The same amount of the mixture required `V_2 L` of 0.1 M NaOH for neutralization. The ratio of `V_(1) " to "V_2` is x:y, then the value of x + y is (x and y are integers)

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