The amount of manganese in steel is determined by changing it to permanganate ion. The steel is first dissolved in nitric acid, producing Mn2+ ions. These ions are then oxidized to the deeply colored MnO4− ions by periodate ion (IO4−) in acid solution.
a. Complete and balance an equation describing each of the above reactions.
b. Calculate and ΔG° at 25°C for each reaction.
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