原电池的电池符号为 (-) Pt|Fe 2+ (0.1mol/L), Fe 3+ (0.1 mol/L)||MnO 4 - (0.1 mol/L), Mn 2+ (0.1 mol/L), H + (1.0 mol/L)|Pt (+) 的电池反应为:
A.
MnO 4 - (1.0 mol/L)+5Fe 2+ (0.1 mol/L)+8H + (1.0 mol/L)=Mn 2+ (0.1 mol/L)+5Fe 3+ (0.1 mol/L)+4H 2 O
B.
MnO 4 - (0.1 mol/L)+5Fe 2+ (0.1 mol/L)+8H + (1.0 mol/L)=Mn 2+ (0.1 mol/L)+5Fe 3+ (0.1 mol/L)+4H 2 O
C.
MnO 4 - (0.1 mol/L)+5Fe 2+ (0.1 mol/L)+8H + (0.1 mol/L)=Mn 2+ (0.1 mol/L) +5Fe 3+ (0.1 mol/L)+4H 2 O
D.
2MnO 4 - (0.1 mol/L)+5Fe 2+ (0.1 mol/L)+8H + (1.0 mol/L)=2Mn 2+ (0.1 mol/L)+5Fe 3+ (0.1 mol/L)+8H 2 O