Show formulas and calculations. Given a solution with (A) or (B), which solution is more reducing? (A)     solution with 20 mM sufide (HS-; assume S0 as product of sulfide oxidation). (B)     solution with 40 mM Mn2+ (assume MnO2 as product of Mn(II) oxidation).

Chemistry by OpenStax (2015-05-04)
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Chapter17: Electrochemistry
Section: Chapter Questions
Problem 12E: Why must the charge balance in oxidation-reduction reactions?
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Show formulas and calculations.

Given a solution with (A) or (B), which solution is more reducing?

(A)     solution with 20 mM sufide (HS-; assume S0 as product of sulfide oxidation).

(B)     solution with 40 mM Mn2+ (assume MnO2 as product of Mn(II) oxidation).

(A)
20 mM sufide (HS"; assume S° as product of sulfide oxidation).
(B)
40 mM Mn2+ (assume MnO2 as product of Mn(II) oxidation).
Transcribed Image Text:(A) 20 mM sufide (HS"; assume S° as product of sulfide oxidation). (B) 40 mM Mn2+ (assume MnO2 as product of Mn(II) oxidation).
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