please only answer if you are certain. i will not hesitate to downvote if you are wrong.

One lbmol of carbon reacts with 2 lbmol of oxygen (O2) to form an equilibrium mixture of CO2, CO, and O2 at 5090F, 1 atm. For the equilibrium mixture, determine the number of moles of: (a) CO nco = i 0.56448 moles (b) CO2 nCO2 = i 0.43552 moles (c) O2 noz i 1.28224