chemistry
posted by Susie on .
If 0.385 g of gas occupies a volume of 200 mL at 73 oC and 750 torr, what is the molecular mass of the gas?
a) 21.4
b) 32.0
c) 44.0
d) 48.0
Someone can help me this answer please..?

PV = nRT
Calculate n = number of moles.
Then n = grams/molar mass.
Calculate molar mass.