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olga2289 [7]
3 years ago
13

Please help, I don't under stand! Balance the following oxidation-reduction reaction and indicate which atoms have undergone oxi

dation and reduction. ____FeCl3 + ____H2S Imported Asset ____FeCl2 + ____S + ____HCl
Chemistry
1 answer:
pogonyaev3 years ago
4 0

Answer:

3 FeCl3 + H2S = 2 FeCl2 + S + 2 HCl

Explanation:

Fe goes form +3 to +2

S goes from -2 to 0

H and Cl are spectator ions

Fe3+ + 1e-= Fe2+

H2S = S + 2 H+ + 2e-

3 Fe3+ + H2S = 2 Fe2+ + S + 2 H+

3 FeCl3 + H2S = 2 FeCl2 + S + 2 HCl

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