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November 20, 2014

Homework Help: chemistry

Posted by Diana on Wednesday, September 8, 2010 at 1:37am.

In the course of research, a chemist isolates a new compound with an empirical formula C3H3O2. 4.97 g of the compound when dissolved in 100. g of water produces a solution with a freezing point of −0.325C. What is the molecular formula of the compound? (For water, Kf = 1.86C/m.) (For your answer, enter the integer that tells the number of multiples of the empirical formula present in the molecular formula.)

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