60. Solving a chemistry problem
5. Titration of 20.00 cm3 of a solution containing 5.16 g of H2C2O4*2H2O in 400 cm3 of solution consumes 22.50 cm3 of KMnO4. Calculate: a) С(1/5KMnO4); b) TKMnO4/Fe2.
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