The mass of the Earth’s troposphere, the lower part of the atmosphere, is approximately 4.4 x 1018 kg.

a. Use the ideal gas law to estimate volume of the troposphere in cubic meters at standard state (P = 1 atm, T = 298 K, R = 0.0821 atm-L/mol-K ). Note, the average molecular weight of air is 28.967 grams/mole.



b. The average mass of water in the troposphere is 1.3 x Using your answer from above, calculate the concentration of water vapor in the troposphere in mg/?



c. Using your answer from part b, what would be the concentration of water vapor in the troposphere in



What will be an ideal response?


a.







b.





c.

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