Which one is heavier between dry air and wet air?

In very hot, humid weather you might feel the air is heavier because moving around seems to take more energy than on dry days. ... read more

Dry air is more heavier than the wet air.The reason for that is because dry air contains heavier gas like N2(nitrogen) ,O2(oxygen), CO2(carbon dioxide ) etc which have moleculer mass like 28, 32 and 44 g/mol respectively while water vapor molecular mass is 18g/mol. For eg. read more

Dry air is heavier than moist air. Moisture means presence of water molecules in air. We must note this important point that water in liquid form is denser than air. But water vapour is less dense than air. read more