Question

1 litre of a gas at stp weigh 2 gram . What is its molecular mass

Answer 1

Answer:

44.44 amu

Explanation:

1 Litre of gas means 0.045 moles of gas

Because 22.4 Litre = 1 Mole.

So, Molecular Mass = Weight / Mole

= 2 / 0.045

= 44.44 amu