Concept explainers
Interpretation:
The molar mass of the compound in the given solution has to be determined.
Concept introduction:
Colligative properties: properties of solutions which having influence on the concentration of the solute in it. Colligative properties are,
- Decrease in the vapour pressure
- Increase in the boiling point
- Decline in the freezing point
- Osmotic pressure
Raoult’s law: The vapour pressure of the solvent over the solution
This equation can also written in the following form too,
A mole fraction of a molecule in a mixture is the ratio of number of moles of particular molecule to the sum of number of moles of all molecules in the mixture. Equation for mole fraction of a molecule in a mixture of three molecules (A, B and C) is,
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