Question

If steel wool (iron) is heated until it glows and is placed in a bottle containing pure oxygen, the iron reacts spectacularly to produce iron(III) oxide.

Fe(s) + O₂(g)  Fe₂O₃(s)

If 1.25 g of iron is heated and placed in a bottle containing 0.0207 mol of oxygen gas, what mass of iron(III) oxide is produced?

Answer 1

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