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23-03-2024
Chemistry

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A student massed a 0.1876 g sample of sodium oxalate (Na2C2O4) and added it to an Erlenmeyer flask with 50.00 mL of water. After dissolving the sample, it was then titrated with 43.77 mL of KMnO4(aq) according to the following reaction:

5Na2C2O4 + 2KMnO4 + 8H2SO4 -> 2MnSO4 + K2SO4 + 5Na2SO4 + 10CO2 + 8H2O

Find the molarity of the KMnO4 solution in the buret.

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