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31 January, 13:33

What is the total number of moles (n) of electrons exchanged between the oxidizing agent and the reducing agent in the overall redox equation: 5 Ag (aq) + Mn2 (aq) + 4H20 () 5Ag (s) + MnO4 (aq) + 8H' (aq)

a. 1

b. 2

c. 3

d. 5 (

e.?

+2
Answers (1)
  1. 31 January, 14:36
    0
    5 moles of electrons

    Explanation:

    The balance equation is as follow,

    5 Ag ⁺ + Mn⁺² + 4 H ₂O → 5 Ag + MnO ₄⁻ + 8 H ⁺

    Reduction of Ag:

    Ag⁺ + 1 e⁻ → Ag

    Or,

    5 Ag⁺ + 5 e⁻ → 5 Ag

    Oxidation of Mn:

    Mn⁺² → MnO₄⁻ + 5 e⁻

    Result:

    Hence 5 moles of Ag⁺ accepts 5 electrons from 1 mole of Mn⁺².
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