Q1112
Which of the following methods is used in determining the number average molar mass of a macromolecule?
A.
Viscosity
B.
Osmotic pressure
AnswerC.
Sedimentation equilibrium
D.
Light scattering
Answer: Option B
Solution
Answer: Option B
Solution:
Osmotic pressure method is the best method for the determination of molecular weight of polymers and proteins, since osmotic pressure, though very small, is measurable.