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mrvladimir2

2H₂S⁺⁶O₄(k) + Cu⁰ = Cu⁺²SO₄ + S⁺⁴O₂ + 2H₂O

S⁺⁶ + 2e⁻ = S⁺⁴     | 1  окислитель, процесс восстановления

Cu⁰ - 2e⁻ = Cu⁺²  | 1  восстановитель, процесс окисления

2H₂SO₄(k) + Cu = CuSO₄ + SO₂ + 2H₂O

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