A 18.2 g of iron metal reacts with excess oxygen gas to produce 47.9 g of Fe3O4. The reaction between these two substances are written as:   ____ Fe(s) + ____ O2(g) → _____ Fe3O4 (s) Balance the chemical equation. Calculate the molar mass of O2 and Fe3O4. If the 43.72 g of Fe3O4 was produced, what is the percent yield of this reaction?

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  1. A 18.2 g of iron metal reacts with excess oxygen gas to produce 47.9 g of Fe3O4. The reaction between these two substances are written as:

 

____ Fe(s) + ____ O2(g) → _____ Fe3O4 (s)

  1. Balance the chemical equation.
  2. Calculate the molar mass of O2 and Fe3O4.
  3. If the 43.72 g of Fe3O4 was produced, what is the percent yield of this reaction?

 

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