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A group of 35 students attend a class in a room that measures 11 m by 8 m by 3 m. Each student takes up about 0.075
The mass of air can be obtained from the ideal gas law:
where P is the gas pressure, V is the volume of the gas, Mwt is the molecular weight of the gas (for air, 28.97 kg/kmol), and R is the ideal gas constant
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