Asked by Anonymous

If the density of the vapor at 90°C and 759 mmHg is 1.455 g/L, what is the molecular mass of the compound?

13 years ago

Answered by DrBob222

The general gas equation of PV = nRT can be changed to one with density with a little work. It is P*molar mass = density*RT.
Solve for molar mass.

13 years ago

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