Q2.What is the ratio between masses of carbon and oxygen in CO2? Share with your friends Share 0 Aditi Gupta answered this Solution: Mass of carbon = 12 uMass of oxygen = 16 uMolar mass of CO2 = 12 + 16×2 = 44 g/molMass of carbon in CO2Mass of oxygen in CO2 = 1232 = 38 0 View Full Answer