2H₂S + O₂ → 2S + 2H₂O
S⁻²⇒S⁰ (-2 e) | в-ль 2
O₂⁰⇒2 O⁻² (+4 e) | о-ль 1
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2H₂S + O₂ → 2S + 2H₂O
S⁻²⇒S⁰ (-2 e) | в-ль 2
O₂⁰⇒2 O⁻² (+4 e) | о-ль 1