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A Current of 250

Question 55

Multiple Choice

A current of 250. A flows for 24.0 hours at an anode where the reaction occurring is as follows: Mn2+(aq) + 2H2O(l) → MnO2(s) + 4H+(aq) + 2e-
What mass of MnO2 is deposited at this anode?


A) 19.5 kg
B) 12.9 kg
C) 9.73 kg
D) 4.87 kg
E) 2.43 kg

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