(a) Show that the density of an ideal gas occupying a volume V isgiven by ρ = PM/RT, where M is the molar mass. Show this by calculating the following three quantities in terms of M, P, n, R,and T.
sample mass m =___________
V = ___________
density ρ = ___________
(b) Determine the density of oxygen gas at atmospheric pressure and 85.0°C.
__________ kg/m3