The number of moles of CO₂ released if 15 moles of O2 reacted with C3H8 is 9 moles.
Let represent the information with a chemical equation as follows:
C₃H₈ + O₂ → CO₂ + H₂O
Let's balance the equation
C₃H₈ + 5O₂ → 3CO₂ + 4H₂O
5 moles of oxygen molecule produced 3 moles of carbon dioxide
15 moles of oxygen molecule will produce ? moles of carbon dioxide
cross multiply
number of moles of carbon dioxide released = 15 × 3 / 5
number of moles of carbon dioxide released = 45 / 5
number of moles of carbon dioxide released = 9 moles
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