If you start with 4.00 moles of C3H8 (propane) and 4.00 moles of O2, how many moles of carbon dioxide can be produced?

Answer 1

C₃H₈ + 5 O₂ --> 3 CO₂ + 4 H₂O

4 moles of C₃H₈ would normally produce 12 moles of CO₂ ... but there is insufficient O₂

the O₂ is 1/5 of what is necessary, so the yield will be
... 1/5 * 12 moles

Answer 2

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