Question- Calculate millimoles and mass of oxalate in the unknown sample from the following data: Mass of unknown sample is 0.5060 grams. Volume of potassium permanganate solution titrated is 30 mL.
5Na2C2O4 2KMnO4 8H2SO4 ---> 10CO2 8H2O 2MnSO4 5Na2SO4 K2SO4
It is not a question in the book, so I just need the full solution of deriving!