Answer to Question #99209 in General Chemistry for erin

Question #99209

How many moles of O2 react with 5.75 moles of Fe?

Expert's answer

5.75mol Xmol

4Fe + 3O2 = 2Fe2O3

4mol 3mol

n(O2) = X = 5.75mol × 3mol / 4mol = 4.3125mol ≈ 4.31mol.

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