1. Write the balanced chemical equation:

C₃H₈ + 5O₂ → 3CO₂ + 4H₂O

2. Determine the mole ratio:

The balanced equation shows that 1 mole of C₃H₈ reacts with 5 moles of O₂.

3. Use the mole ratio to calculate the moles of C₃H₈:

* (0.567 mol O₂) * (1 mol C₃H₈ / 5 mol O₂) = 0.1134 mol C₃H₈

Therefore, 0.1134 moles of C₃H₈ are needed to react with 0.567 mol O₂.