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QUESTION 3 [30 marks] A gas power plant combusts 600kg of coal every hour in a continuous fluidized bed reactor that is at steady state. The composition of coal fed to the reactor is found to contain 89.20 wt% C, 7.10 wt% H, 2.60 wt% S and the rest moisture. Given that air is fed at 20% excess and that Only 90.0% of the carbon undergoes complete combustion, answer the questions that follow. i. ii. Calculate the air feed rate [10] Calculate the molar composition of the product stream [20] yegh coal.