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The mass of carbon dioxide, CO₂ that would be produced from 5 moles of ethanol, C₂H₅OH is 440 g

How to determine the moles of carbon dioxide, CO₂ produced

We'll begin by calculating the moles of carbon dioxide, CO₂ produced. This can be obtained as follow:

C₂H₅OH + 3O₂ --> 2CO₂ + 3H₂O

From the balanced equation above,

1 mole of C₂H₅OH reacted to produce 2 moles of CO₂

Therefore,

5 moles of C₂H₅OH will react to produce = 5 × 2 = 10 moles of CO₂

How to determine the mass of carbon dioxide, CO₂ produced

The mass of carbon dioxide, CO₂ produced from the reaction can be obtained as follow:

  • Mole of carbon dioxide, CO₂ = 10 moles
  • Molar mass of carbon dioxide, CO₂ = 44 g/mol
  • Mass of carbon dioxide, CO₂ =?

Mole = mass / molar mass

10 = Mass of carbon dioxide, CO₂ / 44

Cross multiply

Mass of carbon dioxide, CO₂ = 10 × 44

Mass of carbon dioxide, CO₂ = 440 g

Learn more about stoichiometry:

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