| A | B |
| substance | matter that has the same fixed composition and properties |
| heterogeneous | mixture that is not mixed evenly |
| homogeneous | mixture that is evenly mixed |
| solution | another name for a homogeneous mixture |
| solute | the substance that dissolves |
| solvent | dissolves the solute |
| precipitate | solid formed when solutions are mixed |
| aqueous | solution where water is the solvent |
| solubility | how much solute dissolves in a solvent |
| saturated | solution that contains all the solute it can hold |
| concentration | tells how much solute is present |
| acids | release positively charged hydrogen ions in water |
| hydronium ions | when a hydrogen ion combines with water |
| bases | substances that can accept hydrogen ions |
| pH | a measure of how acidic or basic a solution is |
| indicators | compounds that turn different colors when acids or bases are added |
| neutralization | reaction of an acid with a base |