Molar Mass of a Gas
Problem: A volatile liquid is placed in a flask whose volume is 590.0 ml and allowed to boil until all of the liquid is gone, and only vapor fills the flask at a temperature of 100.0 oC and 736 mm Hg pressure. If the mass of the flask empty and after the experiment was 148.375g and 149.457 g, what is the molar mass of the liquid?
Convert all units to K, L, atm
Use Ideal Gas Law to calculate n.
Calculate mass of vapor
Use mole / mass relationship to calculate Molar Mass