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Aim:

Aim:. What are some Properties of Solutions?. Objectives. What are the way dissolving may be increased Distinguish between saturated and unsaturated How do solutes have an effect on the solutions (solvents). Vocabulary. Concentrated Dilute Saturated Unsaturated. Increasing Dissolving.

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Aim:

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  1. Aim: • What are some Properties of Solutions?

  2. Objectives • What are the way dissolving may be increased • Distinguish between saturated and unsaturated • How do solutes have an effect on the solutions (solvents)

  3. Vocabulary • Concentrated • Dilute • Saturated • Unsaturated

  4. Increasing Dissolving • Stir the mixture = dissolves quicker • Smaller Particle Size = dissolves quicker [Increases Surface Area] • Increase the temperature = dissolves quicker + may dissolve more solute

  5. 100 ml water 1 g of CuSO4 100 ml water 5 g of CuSO4 100 ml water 10 g of CuSO4 Strong Weak Concentrated DILUTE

  6. Unsaturated Dilute Can dissolve more solute There is not excess solute at the bottom Saturated Concentrated Cant dissolve any more solute Excess Solute sinks to the bottom Types of Solution

  7. If the solution is saturated • The maximum amount of solute is dissolved in the solution • No more solute can be dissolved • If you add more solute it will sink to the bottom

  8. How do solutes have an effect on the solutions (solvents) Lower Freezing Point Temperature • That’s why we throw salt on ice Raise Boiling Point Temperature • That’s why we put salt in Boiling Water Antifreeze in your car • Lowers Freezing Point, Raises Boiling Point

  9. In a salt water solution. Salt is the • Solute • Solvent • Solution • Mixture

  10. In a salt water solution. Water is the • Solute • Solvent • Solution • Mixture

  11. In a salt water solution. Dissolving can happen quicker if • Its heated • Its cooled

  12. In a salt water solution. Dissolving can happen quicker if • Its heated • Its stirred • Its temperature is raised • All of the above • None of the above

  13. If a solution is darker, typically it would be • Dilute • Concentrated • Confused

  14. Adding a lot of Crystal Light to a glass of water creates a _____ solution. • Dilute • Concentrated • Confused

  15. A saturated solution may also be considered to be ________ . • Dilute • Concentrated • Confused

  16. When you add solute to a solution, its boiling point • Increases • Decreases • Stays the same.

  17. When you add solute to a solution, its freezing point • Increases • Decreases • Stays the same.

  18. Of the three solutions, each with the same solute, which one is more concentrated? • Beaker 1 • Beaker 2 • Beaker 3

  19. Of the three solutions which one is more dilute • Beaker 1 • Beaker 2 • Beaker 3

  20. In this experiment, copper sulfate is added to water. Which is the solute? • Beaker • Copper sulfate • Water

  21. In this experiment, copper sulfate is added to water. Which is the solvent? • Beaker • Copper sulfate • water

  22. In this experiment, what is the solid called • Solvent • Solute • Insoluble • Soluble

  23. In this experiment, what is the liquid called • Solvent • Solute • Insoluble • Soluble

  24. In this experiment, the solute is _____ • Solvent • Solute • Insoluble • Soluble

  25. In this experiment, how can we get the solute to dissolve faster • Stir the solution • Cool the solvent • Crush the solute • Both 1 and 3

  26. Both of these solutions have the same number of molecules of solute. Which is a more concentrated solution? • Small beaker • Large beaker

  27. How would it be possible to dilute the solution in the small beaker? • Add water to the small beaker • Reduce water from small beaker • Add water to the larger beaker

  28. Of the two solutions, each with the same solute, which one is more concentrated? • Light blue solution • Dark blue solution • They are the same

  29. Which solution is more concentrated? • Solution A • Solution B

  30. If some of the solvent evaporated from B, the solution in B would be more? • Concentrated • Dilute

  31. Solution A is too strong, how do I get it more dilute? • Add more solvent to A • Add more solute to A

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