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Which of the following is a valid mole ratio from the balanced equation 2Fe2O3 + 3C → 4Fe + 3CO2? (4 points)

four moles of C over three moles of F e

two moles of F e two O three over four moles of C

three moles of C over four moles of C O two

four moles of F e over three moles of C O two

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Answer:

The valid mole ratio from the balanced equation  is:

2Fe2O3 + 3C → 4Fe + 3CO2

four moles of Fe over three moles of CO2.

Explanation:

1. In the balanced equation, the coefficients represent the number of moles of each substance involved in the reaction.

2. The coefficient in front of Fe is 4, indicating that 4 moles of Fe are produced.

3. The coefficient in front of CO2 is 3, indicating that 3 moles of CO2 are produced.

4. Therefore, the mole ratio between Fe and CO2 is 4 moles of Fe to 3 moles of CO2.

5. None of the other options provided in the question match this ratio, so the correct answer is "four moles of Fe over three moles of CO2."

In summary, the valid mole ratio from the balanced equation is four moles of Fe over three moles of CO2.

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