November 26, 2015

Homework Help: ap chemistry

Posted by emily on Tuesday, October 30, 2012 at 7:57pm.

A 4.47 g sample of a molecular compound is dissolved in 96 g of tetrachloromethane. The normal boiling point of the solution is 61.51 degrees celcius, the normal boiling point for CCl4 is 61.2 degrees celsius. The boiling point constant for CCl4 is 4.95K*kg/mol. What is the molar mass of the compound? Answer in units of g/mol

I know you have to use the formula:
delta Tb = iKbm but I have no clue how start or find the molality.


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