Question

5.0g of a mixture of He and anthoer gas occupies a volume of 1.5L at 300degree Kelvin and 750mm of Hg the gas freezes at 270 k At 15k the pressure of the gas mixture is 8mm of Hg at the same volume what is the molar mass of the gas​

Answer 1

Explanation:

Boyle showed that the volume of a sample of a gas is inversely proportional to its pressure (Boyle's law), Charles and Gay-Lussac