2. Solving a chemistry problem

2. Solving a chemistry problem

42. A sample of 2 g of H2C2O4 * 2H2O sample was dissolved in 300 ml of water. For titration of 25 ml of this solution, 24.5 ml of a 0.1064 N KMnO4 solution were used. How much H2C2O4 • 2H2O (in %) does the sample contain?

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