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10 August, 19:02

after balancing the redox equation FeCl3+Zn--->ZnCl2+Fe, what are the coefficients, in order from left to right?

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Answers (2)
  1. 10 August, 19:48
    0
    The answer is: the coefficients are 2, 3, 3, 2.

    Balanced chemical reaction: 2FeCl₃ + 3Zn → 3ZnCl₂ + 2Fe.

    Oxidation reaction: Zn⁰ → Zn⁺² + 2e⁻ / *3.

    Reduction reaction: Fe⁺³ + 3e⁻ → Fe⁰ / *2.

    Oxidation reaction: 3Zn⁰ → 3Zn⁺² + 6e⁻.

    Reduction reaction: 2Fe⁺³ + 6e⁻ → 2Fe⁰.

    Zinc change oxidation number from 0 to + 2 (oxidation) and iron change oxidation number from + 3 to 0 (reduction).
  2. 10 August, 22:23
    0
    2FeCl3+3Zn arrow 3ZnCl2+2Fe is the answer
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