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Representations of Reactions

AP Chemistry· difficulty 3/5

Balance: __ Fe + __ O₂ → __ Fe₂O₃. Coefficients are

  • A

    2, 3, 1

  • B

    1, 1, 1

  • C

    2, 1, 1

  • D

    4, 3, 2

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Explanation

4 Fe + 3 O₂ → 2 Fe₂O₃. Fe: 4=4. O: 6=6.

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