An explanation corresponding to the use of osmotic pressure, freezing point depression and boiling point elevation in finding the molar mass of a solute and the reason behind these determinations being carried out on molecular substances as opposed to ionic ones is to be stated. Concept introduction: The measurements of osmotic pressure, freezing point depression and boiling point elevation to find the molar mass are basically the colligative properties. Colligative properties are the properties of solution. When non-volatile solute is added to the volatile solvent, the vapor pressure of the solution changed. Such change in vapor pressure is studied with the help of colligative properties. To determine: An explanation corresponding to the use of osmotic pressure, freezing point depression and boiling point elevation in finding the molar mass of a solute and the reason behind these determinations being carried out on molecular substances as opposed to ionic ones.

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Chapter 11, Problem 11.92QP

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Interpretation: An explanation corresponding to the use of osmotic pressure, freezing point depression and boiling point elevation in finding the molar mass of a solute and the reason behind these determinations being carried out on molecular substances as opposed to ionic ones is to be stated.

Concept introduction: The measurements of osmotic pressure, freezing point depression and boiling point elevation to find the molar mass are basically the colligative properties. Colligative properties are the properties of solution. When non-volatile solute is added to the volatile solvent, the vapor pressure of the solution changed. Such change in vapor pressure is studied with the help of colligative properties.

To determine: An explanation corresponding to the use of osmotic pressure, freezing point depression and boiling point elevation in finding the molar mass of a solute and the reason behind these determinations being carried out on molecular substances as opposed to ionic ones.

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