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April 18, 2014

Homework Help: Chemistry Science

Posted by science girl on Tuesday, May 29, 2012 at 5:35pm.

A 15.0 g sample of an unknown compound is dissolved in 100.0 g of benzene. The boiling point is raised 2.67 oC above the boiling point of pure benzene. What is the molar mass of the sample? Kb for benzene is 2.67oC/m.

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