Chemical Reaction Equation & Stoichometry on Chemical Engineering related Questions and Answers

Question :   A reactor is supplied with 12 moles of C, and it undergoes following reactions C + 0.5O2 -> CO and C + O2 -> CO2, if 4 moles of CO2 was produced and 4 moles of C remains unreacted, what are the number of moles of CO produced? 1. 1 2. 2 3. 3 4. 4 Answer :   4 - 4