Asked by VICKY

mass= 3.8721g
temperature= 102 degrees Celsius
volume= 156ml
atmospheric pressure= 755.0 mm Hg

calculate the molar mass using the ideal gas law
Answered by DrBob222
Use PV = nRT to solve for n = number of moles. Don't forget that T is in Kelvin.

Then n = grams/molar mass
You know n and grams, solve for molar mass.
Answered by VICKY
so all the units i have to change is just for temperature and then leave the rest as they are
Answered by DrBob222
No. T is in Kelvin.
P is in atmospheres.
V is in L.
Use 0.08206 L*atm/mol*K for R.
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