Homework Help: chemistry

Posted by Mia on Tuesday, October 23, 2012 at 3:32am.

If I have liquid that contains 10% metanol, that freezes on -20C. How many etanol i must add?
I used f-la delT=Kf*b b=10,75
m=? where i use proc. of metanol and etanol. What graphic or f-la i use for this?
Thank you

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