Saturated or Unsaturated
Saturated or Unsaturated?
Concentration: the amount of solute dissolved in a given quantity of solvent.
- Dilute Solutions: solutions with a low amount of solute.
- Concentrated Solutions: solutions with a high amount of solute.
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Both dilute and concentrated solutions still contain unfilled spaces between the solvent particles so are called unsaturated solutions. A solution in which all the available spaces between the solvent particles are filled is called a saturated solution.
A solution that contains more of the solute than would be found in a saturated solution is called supersaturated. These solutions can be made by starting with a hot saturated solution at high temperature, and then allowing the solution to cool slowly. If the solution is not disturbed, all the solute may remain dissolved.
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If a solute dissolves in a particular solvent, we say that it is soluble in that solvent. If a solute does not dissolve, it is insoluble in that solvent.
The solubility of a solute is the exact amount of solute required to form a saturated solution in a particular solvent at a certain temperature. The solubility is different for each combination of solute and solvent.
Homework Questions
1. Describe how you ca tell the difference between a saturated solution and an unsaturated solution.
2. Is the solubility of all solutes the same?
3. Explain how you can change a dilute solution to a concentrated solution.
4. Explain the meaning of the terms “saturated”, “unsaturated”, and “supersaturated” with reference to the amount of solute and solvent in solutions.
5. Why is water referred to as the universal solvent?
AND
Please put the following terms in your vocabulary list:
- dilute
- concentrated
- saturated
- unsaturated
- supersaturated
- soluble
- insoluble
- solubility
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