Question

Which air is heavier, dry air or moist air

Answer 1

moist air peheps..............

Answer 2

Dry” air contains no water vapor, and is mostly a mixture of molecular nitrogen (N2) and molecular oxygen (O2). The molecular weight of dry air is 28.97 grams per mole. Since mole per mole, dry air is heavier than water vapor, any mixture of dry air with water vapor will weigh less than pure dry air.