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Solutions I. How Solutions Form Definitions Types of Solutions

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Presentation on theme: "Solutions I. How Solutions Form Definitions Types of Solutions"— Presentation transcript:

1 Solutions I. How Solutions Form Definitions Types of Solutions
Dissolving Rate of Dissolving

2 A. Definitions Solution - homogeneous mixture
Solute - substance being dissolved Solvent - present in greater amount

3 A. Definitions Solute - KMnO4 Solvent - H2O

4 B. Types of Solutions Based on state of solvent.
All solid-liquid-gas combos are possible. EX: dental amalgam (alloy of silver, mercury, etc.) liquid solute, solid solvent solid solution

5 C. Dissolving Solvation occurs at the surface of the solute
solvent particles surround solute particles (+/- attraction) solute particles are pulled into solution

6 NaCl dissolving in water
C. Dissolving NaCl dissolving in water

7 D. Rate of Solution Solids dissolve faster... more stirring
small particle size (increased surface area) high temperature

8 D. Rate of Solution Gases dissolve faster... no shaking or stirring
high pressure low temperature

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