Question

The combustion reaction of propane is described by the reaction.
C3H8 + 5O2 → 4H2O + 3CO2.
How many moles of O2 are required to generate 3 moles of CO2?

2.5 moles

3 moles

4 moles

5 moles
3 mols CO2 x (5 mols O2/3 mols CO2) = 3 x (5/3) = ?
3 moles
3 moles

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