1. What is a mixture and a solution?

2. What is a mixture?
Mixture – a combination of two or more substances that are not chemically combined. Ex. Punch, tea, Chex Mix, random crayons in a box.

3. How are fruit punch and a bowl of party mix both mixtures? ?
Homogeneous – describes something that has a uniform structure or mixture throughout. Heterogeneous – composed of different quantities of the different components.

4. What is a solution?
Solution – A homogeneous mixture of two or more substances.
Solutions can exist as
Solids liquids gases

5. Solvent vs. Solute Solvent – the substance doing the dissolving.
Solute – the substance that is dissolved in a solution.
Example: Sugar-water solution
solvent = water
solute = sugar

6. Miscible vs. Immiscible
Miscible – two liquids that dissolve in each other (water and ethanol) Miscible = mix Immiscible – liquids that are not soluble in one another (example: gasoline and water). Immiscible = NO mix

7. Pure water?
Aqueous solutions – water samples containing dissolved substances.
(pure water never exists in nature because water dissolves too many substances).