1. A flue gas consists of CO2,O2,N2 and water vapor. The mole fraction of CO2 and O2 in the gas stream is 10% and 5%, respectively. The weight fraction of water vapor is 6%. The gas mixture is at 298K and 1.013105Pa. a) Calculate total molar concentration of this gas mixture. b) Calculate the density of the gas mixture. c) If the absolute velocity of CO2,O2,N2 and water vapor are 2m/s,3m/s,4m/s and 5m/s, respectively, what is the average molar velocity? What is the total molar flux