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December 10, 2016

Homework Help: chemistry f/u

Posted by Ben on Sunday, September 4, 2011 at 4:50pm.

Thank you Mr. bobpursley. I am still unclear on a few things.
massethanol*Ceth(Tf-7.7)+masswater*Cwater*(Tf-27.1)=0
solve for Tf

17.75g ethanol x(Tf-7.7)+31.6g water x (Tf-27.1)=0

This is the algebra that I do not know how to derive to move to the next step. Do I add it all to the other side of the equation or do I divide by everything on the left except for Tf?

Thanks again

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