The total mass of the atmosphere is about 5.00 x 1018 kg. How many moles each of air, O2, and CO2 are present in the atmosphere? Note that it is important to work in units of moles rather than in units of mass. By the ideal gas law, PV=nRT. P is pressure, V is volume, n is the number of moles, T is temperature (K), and R is the gas constant. At a given temperature and pressure, the volume is proportional to the number of moles, not to the mass.
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The total mass of the atmosphere is about 5.00 x 1018 kg. How many moles each of air, O2, and CO2 ar...
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