1. 6.3 Water and Solutions

2. Polar Molecules Molecules that have an unequal distribution of charges
Meaning, they have oppositely charged regions.

3. Hydrogen Bonds A weak interaction involving a hydrogen atom.
In water, the electrostatic attraction is called a hydrogen bond.

4. Mixture
A combination of two or more substances in which each substance retains its individual characters and properties.

5. Solution
Another name given for a homogeneous mixture.

6. Solvent
Is a substance in which another substance is dissolved.

7. Solute
The substance that is dissolved in the solvent

8. pH
The measure of concentration of H+ in a solution.

9. Acids
Substances that release hydrogen ions when dissolved in water

10. Bases
Substances that release hydroxide ions when dissolved in water

11. Buffers
Mixtures that can react with acids and bases to keep the pH in a particular range.