123. Задачка по химии №012 326

A weighed portion of sodium oxalate was dissolved in a 500 ml volumetric flask. For titration of 20.00 ml of the resulting solution, 21.40 ml of KMnO4 solution (TKMnO4 = 0.005751) is consumed. How many grams of Na2C2O4 are in the sample?

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