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

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.