2. consider the following reaction: 4 fes2 + 11o2 → 2 fe2o3 + 8 so2
when 26.62 moles of fes2 reacts with 59.44 moles of o2, what are the limiting and
excess reactants?

Oxygen gas (O₂) is the rate limiting reactant and FeS₂ is the excess reactant.

From the questions we are given;

4FeS₂(s) + 11O₂(g) → 2Fe₂O₃(s) + 8SO₂(s)

We are supposed to determine the limiting and excess reactants;

Working with the amount of reactants given;

Conclusion;

We can conclude that Oxygen gas (O₂) is the rate limiting reactant and FeS₂ is the excess reactant.

pure substance: iron,copper

impure substance: water,charcoal