KMnO4 and H2C2O4 react according to the following balanced equation: 2 KMnO4 + 5 H2C2O4 + 3 H2SO4 --> 2 MnSO4 + 10 CO2 + 8 H2O + K2SO4 If 6.78 g of KMnO4 (MW = 158.03 g/mol) react completely, how many grams of potassium sulfate (MW = 174.26 g/mol) will be produced?  Try this approach:  grams to moles to moles to grams.

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