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bearhunter [10]
3 years ago
9

How many moles of water will be produced when 8 moles of ethane are burned?

Chemistry
1 answer:
sineoko [7]3 years ago
3 0

Answer:

The number of moles of water will be produced when 8.0 moles of ethane are burned = 24.0 mol.

Explanation:

  • It is a stichiometry problem.
  • The balanced equation of burning ethane is:

2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O

  • It is clear that 2.0 moles of ethane (C₂H₆) burns in 7.0 moles of oxygen and produce 4.0 moles of CO₂ and 6.0 moles of H₂O.

<em><u>Using cross multiplication:</u></em>

2.0 moles of ethane produces → 6.0 moles of H₂O, from the stichiometry.

8.0 moles of ethane produces → ??? moles of H₂O.

  • ∴ The number of moles of water will be produced when 8.0 moles of ethane are burned = (6.0 x 8.0) / (2.0) = 24.0 mol.

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