A gas mixture contains 40.0 mole% H2, 35.0% CO, 20.0% CO2, and the balance CH4. a. What is the mass composition of the gas mixture (by wt%)? b. Calculate the average molecular weight of the gas mixture. c. What is the mass flow rate of CH4 in g/min in a stream flowing at a rate of 150 g/h? d. Calculate the kmoles of the gas stream containing 280 mol CO2

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