Interpretation:
The statement, “Molality is used to calculateboiling point elevation and freezing point depression, whereas molarity is used to calculate the osmotic pressure.”is to beexplained.
Concept introduction:
The molarity of a solution is expressed as the number of moles of the solute present per liter of the solution.
The molality of a solution is expressed as the number of moles of the solute present per kilogram of the solvent.
Osmotic pressure is the pressure required to stop the process of osmosis.
Boiling point elevation is aphenomenon in which the presence of a solute increases the boiling point of the solvent.
Freezing point depression is a phenomenon in which the presence of a solute decreases the freezing point of the solvent.

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Chapter 13 Solutions
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