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8. [4 points] A room of volume 200 m3 contains air with 0.2% CO2 (by volume) initially. Fresher air with 0.1% CO2 (by volume) flows

8. [4 points] A room of volume 200 m3 contains air with 0.2% CO2 (by volume) initially. Fresher air with 0.1% CO2 (by volume) flows into the room at a rate of 5 m3/ min and the mixed air flows out of the room at the same rate. Find the percentage of CO2 in the room as a function of time. What happens to this percentage eventually (in time)

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