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March 31, 2015

Homework Help: Chemistry

Posted by Alyssa on Sunday, February 26, 2012 at 12:28pm.

Cocaine is a non-electrolyte that has a molecular weight of 303.4 g/mole. How many grams must be dissolved in 25.0 mL of Chloroform (density = 1.484 g/mL) to raise its boiling point to 65.5 Celsius? The boiling point of pure Chloroform is 61.2 Celsius.
Kb Chloroform = 3.62 Celsius/m

Again I know to solve for m. But then I dont know how to find the boiling point of pure Chloroform or what steps to even take next/what numbers to plug in.

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