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Solve this problem in both full explanation and full calculations The concentration of CO2 in Earth's atmosphere most recently sustained an average of 421ppm. Estimate

Solve this problem in both full explanation and full calculations

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The concentration of CO2 in Earth's atmosphere most recently sustained an average of 421ppm. Estimate the total mass of CO2 in Earth's atmosphere. Assume an average radius of Earth is RE= 6378km, the average gravitational acceleration at this radius is g=9.807m/s2, and the average pressure at this radius is p=101.3kPa. You may assume that the atmosphere can be approximated as dry air with a molecular weight of M=28.97

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