Question

Dry air (0% humidity) is approximately 78% N2, 21% O2, and 1% Ar by moles. Calculate the molar mass and density of dry air at STP. Assume ideal behavior and use two significant figures in your answers. Dry air (0% humidity) is approximately 78% N2, 21% O2, and 1% Ar by moles. Calculate the molar mass and density of dry air at STP. Assume ideal behavior and use two significant figures in your answers. @Chemistry

Answer 1

m=28.96 g/mol density=1.3 g/l