9. For 50.00 cm3 of H2C2O4 solution, 21.16 cm3 of KOH solution with Т=0.01234 g/cm3 is consumed. On the other hand, 20.00 cm3 of the same H2C2O4 solution requires 19.67 cm3 of KMnO4 solution. Calculate the titer of potassium permanganate by oxygen T KMnO4/O2/

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