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Concept explainers
Interpretation:
The molecular formula and molar mass of the compound is to be determined with given mass percent of elements, mass of compound, mass of solvent, and freezing temperature.
Concept Introduction:
The property that depends on the concentration of solute molecules and not on the identity of solute is termed as colligative property. Freezing point depression is a colligative property.
The depression in freezing point by the addition of a solute in a pure substance is calculated as follows:
Here,
The number of moles of a species is given by the following expression:
The molality of a solution can be calculated as
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Chapter 13 Solutions
Chemistry
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