A 25 gram sample of CT is vaporized and used to fill a 5 L container. If the pressure in the container is 1.2 atm at 27 degrees Celsius, what is the molecular weight of CT in grams per mole?

I used PV=nRT and found n=.2437 mol, but how do I got to grams per mole? CT is a made-up material.

n = grams/molecular weight.

You know n and grams.