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The following data was recorded in determining the molar mass ofa volatile liquid.

Mass of flask, foil, and rubber band 74.722 g

Temp of boiling water 98.7C

Mass of flask, foil, rubber band, and vapor 74.921 g

Volume of 125ml flask 0.152L

Atmospheric Pressure 752 torr

How many moles of vapor are present?

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Casey Durgan
Casey DurganLv2
23 Jan 2019

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