Question

A quantity of 5.0g of a mixture of He and another gas occupies a volume of 2.4L at 300K and 760mm Hg. The gas freezes at 270K. At 15K, the pressure of the gas mixture is 19mm Hg(at the same volume). What is the molecular mass of the gas? PLEASE FAST ANS & CORRECTLY IIT-JEE

Answer 1

Answer:

plz write it properly.......!

Answer 2

Answer:

06wteotsoyxotzd0dgo