Mixtures & Solutions PPT
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  • 1. Mixtures and SolutionsMixtures and Solutions Can You See The Phases?
  • 2. 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+ Gases What Is A Mixture?What Is A Mixture? 2+ Liquids ANY combination of solids, liquids & gases
  • 3. Mixtures of SolidsMixtures of Solids
  • 4. Mixtures of LiquidsMixtures of Liquids
  • 5. Mixtures of GasesMixtures of Gases
  • 6. Types Of MixturesTypes Of Mixtures There are 2 major types of mixtures: Heterogeneous Homogeneous You can see the different parts (phases) of the mixture easily Means “different” Means “the same” You cannot see the different parts (phases) of the mixture
  • 7. Heterogeneous MixturesHeterogeneous Mixtures
  • 8. Homogeneous MixturesHomogeneous Mixtures
  • 9. Which Kind of Mixture?Which Kind of Mixture? Classify each type of mixture as: Heterogeneous Homogeneous Heterogeneous HeterogeneousHomogeneous
  • 10. A solution is a special type of mixture. SolutionsSolutions 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. A solution is a special type of mixture. SolutionsSolutions A solution is a homogeneous mixture that combines a solute and a solvent. The solid part that gets dissolved. e.g. salt, sugar The liquid part that does the dissolving. e.g. water Solute Solvent
  • 12. A solution is a special type of mixture. SolutionsSolutions A solution is a homogeneous mixture that combines a solute and a solvent. The solid part that gets dissolved. e.g. salt, sugar The liquid part that does the dissolving. e.g. water Solute Solvent
  • 13. How To Make A SolutionHow To Make A Solution Solute Solvent Solution+ = Salt Water Salt Solution
  • 14. We can measure how easily a solute will dissolve in a certain solvent. SolubilitySolubility This measurement is called solubility. The solute dissolves quickly & easily e.g. salt in water The solute does not dissolve easily e.g. sand in water HIGH Solubility LOW Solubility
  • 15. We can add a LITTLE or a LOT of solute! Dilute vs. ConcentratedDilute vs. Concentrated 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. We can add a LITTLE or a LOT of solute! Dilute vs. ConcentratedDilute vs. Concentrated For example, putting spoonfuls of sugar into a cup of tea… A solution with a large amount of solute is called concentrated.
  • 17. Eventually, a solvent can’t hold anymore! Saturated SolutionsSaturated Solutions A saturated solution CANNOT hold any more solute at a certain temperature.
  • 18. 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. Keep Going!Keep Going! Heat It!
  • 19. Any Questions?Any Questions?