Dry air (0% humidity) is approximately 78% N,, 21% O2, and 1% Ar by moles. Calculate the molar mass and density of dry air at 0 °C and 1.0 atm. Assume ideal behavior, and use two significant figures in the answers. molar mass = g/mol density = g/L Typical outdoor air also has water vapor, H,O(g), mixed in with the other gases. Consider the molar mass and density of humid air compared to dry air. The molar mass of humid air is the molar mass of dry air. The density of humid air is the density of dry air.

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Dry air (0% humidity) is approximately 78% N,, 21% O2, and 1% Ar by moles. Calculate the molar mass and density of dry
air at 0 °C and 1.0 atm. Assume ideal behavior, and use two significant figures in the answers.
molar mass =
g/mol
density =
g/L
Typical outdoor air also has water vapor, H,O(g), mixed in with the other gases. Consider the molar mass and density of
humid air compared to dry air.
The molar mass of humid air is
the molar mass of dry air.
The density of humid air is
the density of dry air.
Transcribed Image Text:Dry air (0% humidity) is approximately 78% N,, 21% O2, and 1% Ar by moles. Calculate the molar mass and density of dry air at 0 °C and 1.0 atm. Assume ideal behavior, and use two significant figures in the answers. molar mass = g/mol density = g/L Typical outdoor air also has water vapor, H,O(g), mixed in with the other gases. Consider the molar mass and density of humid air compared to dry air. The molar mass of humid air is the molar mass of dry air. The density of humid air is the density of dry air.
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