Basics and Properties of Solutions

Jun 29, 2024

Solution

Important Aspects of Solution

  • A mixture of one or more solutes in a solvent is called a solution.
  • Example: Mixing sugar in milk, mixing salt in water.
  • The solvent is the component present in greater quantity.
  • The solute is the component present in lesser quantity.

Properties of Solution

  • They are homogeneous, meaning all particles are uniformly distributed.
  • The main function of the solvent is to dissolve the solute.

Concentration

  • The concentration of a solution can be expressed in terms of moles, grams, volume, etc.
  • It is usually expressed as a percentage, such as 20% mole-volume.

Mass/Mass Percentage

  • The mass of the solute multiplied by 100 and divided by the mass of the entire solution.

Vapor Pressure

  • The pressure exerted by the vapors of a liquid at a specific temperature is called vapor pressure.
  • It depends on the temperature.
  • The vapor pressure decreases when the amount of solute in the solution increases.

Colligative Properties

  • These are properties that depend solely on the number of solutes, not their nature.
  • Examples: Vapor pressure, boiling point, freezing point.

Boiling Point Elevation

  • The boiling point of a solution is always higher than that of a pure solvent.
  • Elevation in boiling point depends on the amount of solute.

Osmotic Pressure

  • The pressure applied to prevent the movement of solvent into the solution.
  • Reverse osmosis is used to counteract osmosis.

Isotonic Solutions

  • Solutions that have equal osmotic pressure.

In conclusion, this provides detailed information about the basics and applications of solutions. Understanding can be further improved with practice.