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9 April, 11:06

Consider the balanced equation below.

3Fe+4H_2O - > Fe_3O_4+4H_2

What is the mole ratio of Fe_3O_4to Fe?

A. 1:3

B. 1:4

C. 3:1

D. 4:3

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Answers (1)
  1. 9 April, 13:55
    0
    A. 1:3

    The equation shows that 1 mol Fe_3_O4 ≡ 3 mol Fe.

    ∴ The mole ratio is Fe_3_O4:Fe = 1:3.

    "B. 1:4" is incorrect. It is the mole ratio of Fe_3O_4:H_2O and of Fe_3O_4:H_2.

    "C: 3:1" is incorrect. It is the mole ratio of Fe:Fe_3O_4.

    "D: 4:3" is incorrect. It is the mole ratio of H_2O:Fe and of H_2:Fe.
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