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Chemistry Unit 6
Vocabulary Words
| Term | Definition |
|---|---|
| electrolyte | A substance that dissolves in water to give the solution the ability to conduct electricity |
| pOH | hydroxide ion concentration |
| titration | method used to determine the concentration of a substance in a solution |
| Kb | Molal Boiling point constant |
| Kf | Molal Freezing point constant |
| neutralization | a chemical reaction in which an acid and a base react to form a salt |
| molarity | Number of moles of solute in one liter of solution |
| boiling-point elevation | The difference between the boiling points of the pure solvent and a nonelectrolyte solution of that solvent and is directly proportional to the molal concentration of the solution |
| freezing-point depression | The difference between the freezing points of the pure solvent and a solution of a non electrolyte in that solvent, and is directly proportional to the molal concentration of the solution |
| [H3O]+ | Hydronium |
| [OH]- | Hydroxide |
| end point | The point in a titration at which no more titrant should be added. It is determined, for example, by a color change in an indicator or by the appearance of a precipitate. |
| base | proton acceptors identified by release of hydroxide ions |
| acid | proton donors that yield hydronium ions in water solution |
| molality | The concentration of a solution expressed in moles of solute per kilogram of solvent |
| concentration | The amount of solute in a given amount of solvent in a solution. |
| buffer | solutions that are used as a means of keeping pH at a nearly constant value in a wide variety of chemical applications |
| solubility | The capability to dissolve |
| dissociation | The separation of ions that occur when an ionic compound dissolves |
| pH | hydrogen ion concentration |
| colligative properties | Depend on the concentration of solute particles but not on their identity |
Created by:
khyia.gibbs
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