Question

Determine the density of a gas given a molec- ular weight of 31 g/mol, pressure of 724 torr, and temperature of 24◦C.

Answer 1

$PM=dRT$ (from ideal gas equation)

$\implies d=PM/RT$

$=(724*101325*31)/(760*1000*8.314*297)$

$=1.212kg/m^3$