[CHM 112] Pre-Lab quiz

[Andrew J. Pounds]

On 02/05/15 15:34, wrote:
>
> ​Dr. Pounds, I am really confused about the pre-lab quiz. How can I 
> find the freezing point depression constant for p-DCB when I have no 
> *ΔT, *and have no moles of solute or grams solvent? Am I supposed to 
> use what I recorded in lab for this? And does the second question rely 
> on the answer from the first question?
>

The freezing point of the pure solvent and the freezing point of the 
solution are given in the prelab question. $\Delta T$ would then be the 
difference between these two.   The information related to the $K_f$ 
value for is needed to answer both questions.  That is found in the lab 
manual.

I will be doing this in class tomorrow.



-- 
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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