[CHM 112] Freezing Point Depression Lab Question

[Andrew J. Pounds]

On 07/01/14 20:13, wrote:
>
> Dear Professor,
>
> I have a question about the one part of the 2nd lab. What is the 
> molecular weight and how would you calculate the molecular weight, in 
> terms of this lab?
>
> I have asked multiple people about it, but they were confused about it 
> as well. Could you help by any chance?
>
> Thanks a lot, professor.
>
> Sincerely,
>
>

You use the P, V, T data from the lab to determine the number of moles 
of volitalized liquid in the flask.  You then divide the mass of the 
liquid after it cooled by the number of moles -- this should give you 
the molar mass.  Does that help?


-- 
Andrew J. Pounds, Ph.D.  (pounds_aj at mercer.edu)
Professor of Chemistry and Computer Science
Mercer University,  Macon, GA 31207   (478) 301-5627
http://faculty.mercer.edu/pounds_aj

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