Question

Номер 12-16 Mg+s решите побыстрей

Answer 1

Mg⁰ +S⁰ ⇒ Mg⁺²S⁻²
Mg -2e⁻    Mg⁺² 2      1  восстановитель                          
                               2
S⁰ +2e⁻      S⁻²  2      1  окислитель
Mg +S = MgS

Answer 2

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