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The atmosphere of Mars has a mass of 2.5 * 10^16 kg and comprises of two major species: carbon dioxide (95%) and nitrogen gas (3%). Given that the equatorial radius of Mars is3,397 km, calculate the mass of a single column of atmosphere over a 1 m^2 surface area on the planet. Assume that the planet is a smooth sphere with no variations in landscape such as mountains or valleys

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