Ответ: C) a-6; b-8
Объяснение:
(CrO₄)²⁻ Cr⁺⁶ + 6e⁻ = Cr⁰
(ClO₄)⁻ Cl⁺⁷ + 8e⁻ = Cl⁻
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Ответ: C) a-6; b-8
Объяснение:
(CrO₄)²⁻ Cr⁺⁶ + 6e⁻ = Cr⁰
(ClO₄)⁻ Cl⁺⁷ + 8e⁻ = Cl⁻