7th grade ch. 3 sec. 2 concentration & solubility
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7th grade ch. 3 sec. 2 concentration & solubility

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7th grade ch. 3 sec. 2 concentration & solubility 7th grade ch. 3 sec. 2 concentration & solubility Presentation Transcript

  • Ch. 3 Sec. 2 Concentration & Solubility
  • Discover activity-Does it dissolve? 6. Pepper 7. Vinegar 5. Baking soda 4. Vegetable oil 3. Sugar 2. Salt 1. Soap flakes Solute Dissolved easily- yes or no Solute- Solid or liquid ? Solvent
  • Based on your observations, does the physical state (solid or liquid) of a substance affect whether or not it dissolves in water. Explain.
  • dilute solution
    • mixture w/ little bit of solute dissolved in solvent
  • dilute solution
    • ex: weak tea
  • concentrated solution
    • A lot of solute dissolved in solvent
    • Ex: strong tea
  • solubility
    • measure of how well a solute can dissolve in a solvent at a given temp.
  • saturated solution
    • no more solute can dissolve in solvent
  • unsaturated solution
    • more solute can cont. to dissolve in solvent
  • Factors that affect solubility of a solute
  • 1. pressure
  • 2. temperature
  • 3. type of solvent
  • supersaturated solution
    • Has more dissolved solute than is predicted by its solubility @ given temp.