Posted by **Elizabeth** on Tuesday, February 8, 2011 at 7:11pm.

Given: hexane-

-density at 25 degrees Celsius (.660g/ml)

-Vapor pressure of pure substance at 25 degrees Celsius (150 torr)

-heat if vaporization (21.0 kj/mol)

-55 mL

What mass of hexane vaporizes at 25 degrees Celsius?

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