73. Solving a chemistry problem

73. Solving a chemistry problem

11. A solution of oxalic acid was prepared in a 200 ml volumetric flask. For 20 ml of this solution during titration, 18.25 ml of KMnO4 solution (TKMNO4=0.001616 g/ml) is consumed. How many grams of anhydrous H2C2O4 were in the flask?

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