Solutions
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Transcript

  • 1. INTRODUCTIONCHARACTERISTICSTYPESSOLUBILITYPHYSICAL PROPERTIES
  • 2. A solution is formed when a solutedissolves in a solvent to form a single phase that appearsuniform throughout.
  • 3. • A solution is clear.• In a solution, the particles are too small that they cannot be seen by unaided/naked eye.• The solute from the solution cannot be separated by filtration.• The solution does not allow beam of light to scatter.• A solution is a homogenous mixture• A solution is stable.• As temperature increases, the solubility (of solids) increases.• All solutions have a solvent and at least one solute
  • 4. • There is a limit to how much solute will dissolve in a given volume of solvent at a given temperature. Saturated solution = when that limit has been reached & no more solid can dissolve.• White solids become invisible when dissolved in clear solvents.• Non-white solids give their color to their solvents.• You can separate dissolved solutes from solution by evaporating away the liquid solvent.• In some solutions, volume decreases as the solute dissolves.
  • 5. • Mass is conserved when solutes dissolve in solvents.• As you increase the amount of solvent, the amount of solute that can dissolve will also increase at the same rate.• A solution has a constant density throughout.• Solutions are transparent (light can travel through them without being "blurred")
  • 6. Gaseous Solution- includes gases or vapors dissolved in one another. Two or more gases can form a solution. Air is an example of a gaseous solution. When dry is made up of oxygen gas dissolved in nitrogen gas.Liquid Solution-contain a liquid solvent in which gas, liquid, or solid is dissolved. Water is the most common liquid solution. Many things can be dissolved in it. Table salt is an example of a solid dissolved in a liquid. A liquid and a gas can also be dissolved in a liquid solution. Solid Solution-is a mixture of solids spread equally throughout one another. Metal is an example of a solid solution at room temperature.
  • 7. Solubility is the maximum amount of solutethat can dissolve in a given amount of solvent at a certain temperature. Saturated – maximum amount of solute dissolved by a given amount of solvent. Unsaturated – when it contains less solute than the maximum amount it can dissolve at a given temperature.
  • 8.  The particles of solute are the size of individual small molecules or individual small ions. One nanometer is about the maximum diameter for a solute particle. The mixture does not separate on standing. In a gravity environment the solution will come apart due to any difference in density of the materials in the solution. The mixture does not separate by common fiber filter. The entire solution will pass through the filter.