1. Write the balanced chemical equation:
The combustion of ethane (C₂H₆) with oxygen (O₂) produces carbon dioxide (CO₂) and water (H₂O):
2 C₂H₆ + 7 O₂ → 4 CO₂ + 6 H₂O
2. Determine the mole ratio:
The balanced equation shows that for every 2 moles of ethane burned, 4 moles of CO₂ are produced.
3. Calculate the moles of CO₂ produced:
Using the mole ratio from the balanced equation:
(5.60 mol C₂H₆) * (4 mol CO₂ / 2 mol C₂H₆) = 11.2 mol CO₂
Therefore, 11.2 moles of CO₂ are produced when 5.60 moles of ethane are burned in excess oxygen.