1. Write the balanced oxidation and reduction half reactions forthe reaction of (As_2O_3)^3- and I_2. What ion is oxidized and whation is reduced?
2. Assuming that 5 mL of 0.006M arsenite solution is subjectedto coulometric titration using a current of 30 mamps. Calculate thetime that the current should be applied to reach the endpoint ofthe titration.
