Question

One litre of a gas at stp weighs 1.97 gram what is molecular mass

Answer 1

Answer:

43.77 amu

Explanation:

1 litre gas means 0.045 mole.

Because 22.4 Litre = 1 mole of gas

now Molecular Mass = Weight (gram) / Mole

= 1.97 / 0.045

= 43.77 amu.

Answer 2

Answer:

1 litre gas means 0.045 mole.

Because 22.4 Litre = 1 mole of gas

now Molecular Mass = Weight (gram) / Mole

= 1.97 / 0.045  

= 43.77 amu.