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  1. Which of the following methods is used in determining the number average molar mass of a macromolecule?

    2. A.

     Viscosity
    B.

     Osmotic pressure
    C.

     Sedimentation equilibrium
    D.

     Light scattering

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    Answer : Option B

    Explanation :

    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.

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