Moreover,
for weak electrolytes like acetic acid it is possible to determine the value
of its dissociation constant once we know the L
0
m  and Lm at a given
concentration c Calculate L
0
m  for CaCl2 and MgSO4 from the data given in Table 3 4 We know from Kohlrausch law that

mCaCl2
 
= 
2+
–
Ca
2Cl





= 119