Problem 1 (25 points)
A gas stream contains (H₂S and CO₂) with (CO₂=0.75) mole fraction flows at a rate of 30 mole/min. It is mixed with a stream of air to reduce H₂S mole fraction to (0.05). What should be the flow rate of air in liter/hr? Calculate mole fraction of air in the mixed stream.
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