posted by Haleigh .
if you have a gas sample that has a mass of .993g occupying .570L. Given the temperature is 281K and the pressuere is 1.44 atm, what is the molar mass of the gas?
Use PV = nRT and solve for n = number of moles. Then n = grams/molar mass. You have n and grams, solve for molar mass.