Fe + O2 – Fe2O3

Which of the following fractions can be used for the mole ratio to determine the mass of Fe from a known mass of Fe2O3?

A. 4/2

B. 3/2

C. 2/3

D. 2/4

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# Fe + O2 – Fe2O3
Which of the following fractions can be used for the mole ratio to determine the mass

Fe + O2 – Fe2O3

Which of the following fractions can be used for the mole ratio to determine the mass of Fe from a known mass of Fe2O3?

A. 4/2

B. 3/2

C. 2/3

D. 2/4