2KMnO4+16HCl==2KCl+2MnCl+5Cl2+8H2O,

10
The simplest method is to look at the valence change of Mn element. Mn in the reactant shows +7 valence, and Mn in the product shows +2 valence, so one MnCl2 transfers 5 electrons, two MnCl2 transfers 10 mol electrons

10
The simplest method is to look at the valence change of Mn element, Mn in the reactant shows +7 valence, and Mn in the product shows +2 valence, so one MnCl2 transfers 5 electrons, two MnCl2 transfers 10 mol electrons

Chemical Expression of Oxygen and Hydrogen Generated by Water Electrolysis Chemical expression of oxygen and hydrogen produced by water electrolysis

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