Concentrated and Dilute Solutions
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Questions and Answers

A concentrated solution can be obtained from a diluted one by:

  • Increasing the amount of solvent
  • Decreasing the surface area of the solute
  • Increasing the amount of solute or decreasing the amount of solvent by heating (correct)
  • Decreasing the amount of solute by cooling

    • What is an unsaturated solution?

  • A solution that contains the maximum amount of solute
  • A solution that has no solute dissolved
  • A solution that contains less solute than its solubility (correct)
  • A solution that contains more solute than its solubility

    • What happens to the solubility of a gaseous solute in a liquid solvent as the temperature increases?

  • It increases
  • It becomes saturated
  • It decreases (correct)
  • It remains the same

    • What is the maximum quantity of solute that can be dissolved in a definite amount of solvent at specific conditions?

    <p>Solubility</p> Signup and view all the answers

    Which of the following factors does NOT affect the rate of dissolving solid solute in liquid solvent?

    <p>Color of the solvent</p> Signup and view all the answers

    What happens to a supersaturated solution over time?

    <p>It becomes saturated</p> Signup and view all the answers

    Study Notes

    Solution Concentration

    • A concentrated solution has a relatively large amount of dissolved solute.
    • A dilute solution has a relatively small amount of dissolved solute.
    • A concentrated solution can be obtained from a diluted one by increasing the amount of solute or decreasing the amount of solvent by heating.
    • A dilute solution can be obtained from a concentrated one by increasing the amount of solvent.

    Solution Types

    • Solubility is the maximum quantity of solute in a definite amount of solvent at specific conditions.
    • An unsaturated solution has a quantity of solute less than its solubility dissolved in a definite amount of solvent at specific conditions.
    • A saturated solution contains the maximum amount of solute (equal to its solubility) dissolved in a definite amount of solvent at specific conditions.
    • A supersaturated solution contains more than the maximum amount of solute that is capable of being dissolved at a given temperature.

    Factors Affecting Dissolving Rate

    • Factors that affect the rate of dissolving a solid solute in a liquid solvent are temperature, stirring (shaking), and increasing the surface area of the solute.
    • Increasing temperature, stirring (shaking), and increasing the surface area of the solute increase the dissolving rate.
    • The solubility of a gaseous solute in a liquid solvent increases by decreasing the temperature and stirring (shaking).

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    Description

    Learn about the differences between concentrated and dilute solutions, how to obtain one from the other, and the concept of solubility.

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