Math relationship for b.pt.
elevation and f. pt depression
•
D
t
f
= I mk
f
k
f
is the freezing pt constant
•
i = no of particles in solution per formula unit
•
For molecular species i =1
•
For NaCl i =
These i values
•
For K
2
SO
4
i =
assume 100%
•
For Al
2
(SO
4
)
3
i =
ionization.
•
For water k
f
= 1.86
o
C/m
•