ChE Board Practice Questions - PRC Chemical Engineer Licensure Examination Exam

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A stoichiometry calculation is required for the complete combustion of propane (C3H8). How many moles of oxygen (O2) are required to completely burn 2.5 moles of propane gas?

5.0 moles 10.0 moles 12.5 moles 15.0 moles

Correct Answer:

12.5 moles

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