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AP Chemistry
Applications of PV = nRT – Example Problems
Molar Mass:
At 10.0 oC and 102.5 kPa, the density of dry air is 1.26 g/L. What is the average 'molar mass' of dry air at
these conditions?
Gas Density:
Nitric acid, a very important industrial chemical, is made by dissolving the gas NO2 in water. Calculate
the density of NO2, in g/L at 1.24 atm and 50.0 oC.
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