November 26, 2015

Homework Help: URGENT -- Chemistry

Posted by Jessica on Monday, April 7, 2008 at 7:41pm.

When 0.500 g of an unknown compound was dissolved in 15.0 g benzene, the freezing point depression was determined to be 0320C. The molar mass of the unknown compound is ?? g/mol.

(The freezing point depression constant for benzene is 5.12C kgmol.

I really don't know where to begin. Can someone provide with some kind of equation so I can solve this?

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