# Solutions

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## Important Concepts in Solutions

Find notes, videos, important points and questions to practice on each of these concepts.

Most Important Concepts (Do or Die)

Most Important Concepts (Do or Die)

- Concentration of Solutions
- Colligative Properties

- Ideal Liquid Solution and Raoult's Law
- Relative lowering of Vapour Pressure
- Elevation of Boiling Point
- Depression in Freezing Point
- Osmotic Pressure
- van't Hoff Theory of Dilute Solutions

- Non-ideal Solutions
- Biological Importance of Osmosis

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## Important Points

Volume of solution = n1M1 + n2M2/ p ,n1 and n2 are amount of solvent and solute in solution, p is density of solution.

Morality of solution, M= amount of solute /Volume of solution in dm3

Morality of solution, m= amount of solute /mass of solvent in Kg = n2/n1M1

Mole fraction of solute =x2 = n2 /n1 + n2

A liquid solution is said to be ideal solution if its constituents follow Raoult's law.

Morality of solution, M= amount of solute /Volume of solution in dm3

Morality of solution, m= amount of solute /mass of solvent in Kg = n2/n1M1

Mole fraction of solute =x2 = n2 /n1 + n2

A liquid solution is said to be ideal solution if its constituents follow Raoult's law.