Aluminum + silver sulfide = ?
a) what element is reduced and what is its charge before and after?
b) what element is oxidized and what is its charge before and after?
1
Expert's answer
2015-11-10T11:03:05-0500
2Al + 3Ag2S → 6Ag + Al2S3 a) Silver is reduced. Ag+ + 1e → Ag0; its charge is +1 before and becomes zero after. b) Aluminum is oxidized. Al0 – 3e → Al3+; its charge is zero before and becomes +3 after.
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