A volatile organic liquid with known molecular weight is added to a vapor density flask which has a known volume. The flask is heated using a boiling water bath until all of the liquid has evaporated.
After heating for an additional 1 or 2 minutes, the flask is removed from the boiling water bath, corked, and cooled using a room temperature water bath. Predict the mass of condensed vapor.
Temperature of the hot water bath (ÂșC): 99.4
Volume of the flask (mL): 496.3
Molecular weight of the unknown (g/mol): 131.4
Barometer reading (mm Hg): 760.5
Calculate the mass of condensed vapor in g.
Answers: 3
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A volatile organic liquid with known molecular weight is added to a vapor density flask which has a...
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