1. Calculate the mass of Fe reacted at the anode at a constant potential using the reaction Fe(2)-e→Fe(3). To titrate I2 released in the coulometer of the generator circuit, 10.5 ml of Na2S2O3 with a concentration of 0.15 mol/l was consumed. What time will it take for the electrooxidation of 100 mg of Fe(II) at I=30 mA?

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