Posted by tracy on .
a volume of 122mL of argon, Ar, is collected at 500 degrees C and 758 torr. what does this sample weigh?

chem 
DrBob222,
Use BPV = nRT and solve for n = number of mols. Then n = grams/molar mass. Solve for grams. Don't forget T is in kelvin and P in atm.