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

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

  1. 1. Ch. 3 Sec. 2 Concentration & Solubility
  2. 2. 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
  3. 3. Based on your observations, does the physical state (solid or liquid) of a substance affect whether or not it dissolves in water. Explain.
  4. 4. dilute solution <ul><li>mixture w/ little bit of solute dissolved in solvent </li></ul>
  5. 5. dilute solution <ul><li>ex: weak tea </li></ul>
  6. 6. concentrated solution <ul><li>A lot of solute dissolved in solvent </li></ul><ul><li>Ex: strong tea </li></ul>
  7. 7. solubility <ul><li>measure of how well a solute can dissolve in a solvent at a given temp. </li></ul>
  8. 8. saturated solution <ul><li>no more solute can dissolve in solvent </li></ul>
  9. 9. unsaturated solution <ul><li>more solute can cont. to dissolve in solvent </li></ul>
  10. 10. Factors that affect solubility of a solute
  11. 11. 1. pressure
  12. 12. 2. temperature
  13. 13. 3. type of solvent
  14. 14. supersaturated solution <ul><li>Has more dissolved solute than is predicted by its solubility @ given temp. </li></ul>

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