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Solutions and pH Chapter 2.

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Presentation on theme: "Solutions and pH Chapter 2."— Presentation transcript:

1 Solutions and pH Chapter 2

2 1. Solution = a mixture in which one or more
Definitions: 1. Solution = a mixture in which one or more substances is distributed in another. 2. Solute = the substance dissolved in the solution 3. Solvent = substance in which the solute is dissolved

3 **Acids and bases are created due to dissociation. **DISSOCIATION =
Breaking apart of water molecules H2O = H+ and OH- Hydrogen Ion Hydroxide Ion

4 If the number of HYDROGEN IONS is greater than the number of hydroxide ions, the solution is an . . . Acid H+ > OH-

5 If the number of HYDROXIDE IONS is greater than hydrogen ions, the solution is a . . .
Base OH- > H+

6 Scientist have developed a Scale to compare the concentration of H+ ions to OH- Ions in Solution called the pH SCALE.

7 pH Scale Scale ranges from 0 to 14 0=more acidic 7=neutral 14= more basic

8 =Chemical substances that
Buffers =Chemical substances that neutralize small amounts of either an acid or a base


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