Ppoint Solutions&Mixtures

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Ppoint Solutions&Mixtures

  1. 1. Mixtures and Solutions Can You See The Phases?
  2. 2. What Is A Mixture? A mixture is made of 2 or more types of atoms that are NOT chemically combined together. Mixtures can take many forms: 2+ Solids 2+ Liquids 2+ Gases ANY combination of solids, liquids & gases
  3. 3. Mixtures of Solids
  4. 4. Mixtures of Liquids
  5. 5. Mixtures of Gases
  6. 6. Types Of Mixtures There are 2 major types of mixtures: Heterogeneous Homogeneous Means “different” Means “the same” You can see the You cannot see different parts the different parts (phases) of the (phases) of the mixture easily mixture
  7. 7. Heterogeneous Mixtures
  8. 8. Homogeneous Mixtures
  9. 9. Which Kind of Mixture? Classify each type of mixture as: Heterogeneous Homogeneous Heterogeneous Homogeneous Heterogeneous
  10. 10. Solutions A solution is a special type of mixture. A solution is a homogeneous mixture that combines a solute and a solvent. A solution involves one substance dissolving in another substance, which is usually a liquid.
  11. 11. Solutions A solution is a special type of mixture. A solution is a homogeneous mixture that combines a solute and a solvent. Solute Solvent The solid part that The liquid part that gets dissolved. does the dissolving. e.g. salt, sugar e.g. water
  12. 12. Solutions A solution is a special type of mixture. A solution is a homogeneous mixture that combines a solute and a solvent. Solute Solvent The solid part that The liquid part that gets dissolved. does the dissolving. e.g. salt, sugar e.g. water
  13. 13. How To Make A Solution Solute + Solvent = Solution Salt Water Salt Solution
  14. 14. Solubility We can measure how easily a solute will dissolve in a certain solvent. This measurement is called solubility. HIGH Solubility LOW Solubility The solute dissolves The solute does not quickly & easily dissolve easily e.g. salt in water e.g. sand in water
  15. 15. Dilute vs. Concentrated We can add a LITTLE or a LOT of solute! For example, putting spoonfuls of sugar into a cup of tea… A solution with only a small amount of solute is called a dilute solution.
  16. 16. Dilute vs. Concentrated We can add a LITTLE or a LOT of solute! For example, putting spoonfuls of sugar into a cup of tea… A solution with a large amount of solute is called concentrated.
  17. 17. Saturated Solutions Eventually, a solvent can’t hold anymore! A saturated solution CANNOT hold any more solute at a certain temperature.
  18. 18. Keep Going! But, by heating a solvent up, we can make it hold even more solute than normal. A super-saturated solution contains more solute than it can normally dissolve. Heat It!
  19. 19. Any Questions?

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