1000 litres of a mixture of H₂, N₂ and CO₂ at 150⁰C was found to have the following ratio for the partial pressures of the gases: P_H2:P_N2: Pco₂ is 1:4:3. If the total pressure is 2 atm absolute, calculate.

Mole fraction of each of these gases

Weight Percent of each of these gases

Average molecular weight and

Weight of CO₂ in Kg.