The properties which depends upon each of the number average molar mass and mass average molar mass are?
A
Osmotic pressure
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B
Elevation in b.pt.
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C
Lowering in vapour pressure
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D
Light scattering
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Solution
The correct options are A Osmotic pressure B Elevation in b.pt. C Lowering in vapour pressure D Light scattering Physical properties of solutions that depend on the number but not the kind of solute particles in a given amount of solvent are called colligative properties. There are four important colligative properties of a solution that are directly proportional to the number of solute particles present.
1. Relative lowering of vapor pressure
2. Elevation of boiling point
3. Depression in freezing point
4. Osmotic pressure
5. light sacttering These properties of a solution depends on the total concentration of all solute particles, regardless of their ionic or molecular nature, charge or size.