Question

What is the density of an unknown diatomic gas is 1.379 g/L at 825 torr and 35 degrees celsius. What is the molar mass and the identity of the gas?

Answer 1

P*molar mass = density*RT

(825/760)*molar mass = 1.379*0.08206*308 K
Solve for molar mass. Show your work if you get stuck.