Multiple Choice – Only one answer is correct

DO NOT USE A CALCULATOR. You may use ONLY your periodic table and formula sheets. ... MnO4− + 8H+ + 5e- → Mn2+ + 4H2O. MnO4− + 5e− → Mn2+ Fe → Fe3+ + 3e− ... Cr is +6 on left and changes to +3 on the right, but twice thus 6e− tranferred OR you can do it by balancing the charge with the correct number of electrons. As written ... ................
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