Combustion of carbon monoxide (CO) with oxygen produces carbon dioxide (CO2). 2CO (8) + 026) 2CO2(). g) If 2.74 moles of O2(g) are used, calculate the number of moles of CO2(g) produced. A)7.80 moles B) 5.48 moles C)3.60 moles D)6.30 moles