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Question
In a volumetric analysis experiment, a solution of sodium oxalate (Na2C2O4) in acidic solution is titrated with a solution of potassium permanganate (KMnO4) according to the following balanced chemical equation:
2KMnO4(aq) + 8H2SO4(aq) + 5Na2C2O4(aq) →2MnSO4(aq) + 8H2O(l) + 10CO2(g) + 5Na2SO4(aq) + K2SO4(aq)
It required 25.0mL of 0.0448M KMnO4to reach the endpoint. What mass of Na2C2O4was present initially?
A) 2.40 g
B) 0.0600 g
C) 15.0 g
D) 0.150 g
E) 0.375 g
Answer
This answer is hidden. It contains 1 characters.
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