Asked by lulu

a 0.100m k2so4 solution has a freezing point of -0.43 degrees. what is the van hoff factors for this solution? kf=1.86degree/m?
0.77
3.0
1.0
2.3
i have used the equation dT=iKfm and get -2.3?

Answers

Answered by bobpursley
-.43=k*-1.86*.1

solve for k. Where did you minus sign come from?

Answered by lulu
I only have -0.46 degrees, not -1.86 so it stays a -ve, i guess.
that is an assignment question word for word.
is Kf meant to be -ve?
Answered by EEE
eee -w-
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