How many moles of electron are transferred in the following reactions? a. 2 Fe* + Mg > 2 Fe* +Mg b. NH3 + H2O NH, + OH c. Mno, + Cr +2 H20 > Mnoz+ Cr* + 4 OH 10. Identify the substance being oxidized, substance being reduced, reducing agent, and oxidizing agent for the following reactions: a. Cu + 2 H,SO, Cuso, + SO, + H,0 3 SO, + 2 HN0, +2 H20 > 3 H,SO, +2 NO