Number-average molecular mass of a polymer is determined by:
light scattering and ultracentrifuge method
osmotic pressure
depression of freezing point
elevation in boiling point
A
depression of freezing point
B
elevation in boiling point
C
light scattering and ultracentrifuge method
D
osmotic pressure
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Solution
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Number-average molecular mass of a polymer is determined by osmotic pressure as osmotic pressure is a colligative property and its value depends on the number of solute particles.
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