The space shuttle environmental control system handles excess CO2 (which the astronauts breathe out; it is 4.0% by mass of exhaled air) by reacting it with lithium hydroxide, LiHO, pellets to form lithium carbonate, Li2CO3 , and water. If there are eight astronauts on board the shuttle, and each exhales 20. L of air per minute, how long could clean air be generated if there were 27,000 g of LiOH pellets available for each shuttle mission? Assume the density of air is 0.0010 g/mL.
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