|
|
|
|
|
|
|
|
|
Freezing
temperature depression, DT
|
(Freezing Temp. of pure Lauric acid) – (Freezing Temp.
of mixture)
|
|
|
|
Molality, m, of
solution
|
(DT)
/ Kf(lauric acid)
|
|
|
|
Moles of solute
(calculated
from the molality, not the molar mass)
|
(molality) X (mass of Lauric acid in kilograms)
|
|
|
|
Mole of solute
(experimantal
value)
|
(mass of solute in grams)/ (moles of solute)
|
|
|
|
Molar mass of
solute
(theoretical
value)
|
Calculated based on the chemical formula provided by the
lab instructor
|
|
|
|
Percent
error in molar mass of solute
|
| Exp. Molar
mass – Theor. Molar mass | / Theor. Molar mass *100
|
