ap chemistry
posted by cheri on .
We observe that 5 grams of a gaseous com
pound occupies 1526 mL at 49C and 672 torr.
What is the molecular weight of the com
pound?
Answer in units of g/mo

Use PV = nRT and solve for n = number of mols.
Then n  grams/molar mass. You know n and grams, solve for molar mass.