calculate the mass0.4 mole of CO2 (At Mass of C = 12 &O=16 a.m.u) (17.6g) Share with your friends Share 5 Akanksha answered this Molar mass of CO2 = 44 g mol-1 Mass of 1 mole of CO2 = 44 g Mass of 0.4 mole of CO2 = 44×0.4 = 17.6 g 10 View Full Answer Arjun Suresh answered this the mass of 1 mole of CO2= 12(mass of C) + 16x2(mass of O2)=12+32=44gtherefore, 0.4 moles of CO2= 44x0.4=17.6g 4