Ch. 22 - Acids, Bases and Salts

Flashcards covering key concepts related to acids, bases, and salts, including definitions and properties.

Acid

A substance that produces hydrogen ions (H+) in a water solution.

Hydronium ions

H3O+ - formed when H+ ions interact with water.

Properties of Acids

Characteristics include sour taste, corrosive nature, and predictable color change with indicators.

Indicator

An organic compound that changes color in the presence of acid or base.

Litmus paper

Turns red in acid and blue in base.

Common Acids

Acids found in foods and the body, e.g., citric acid, hydrochloric acid.

Strong acid

An acid that ionizes completely in solution.

Weak acid

An acid that only partly ionizes in solution.

Strong base

A base that dissociates completely in solution.

Weak base

A base that does not ionize completely in solution.

Strength of Acids and Bases

Determined by the extent to which they ionize in solution.

Concentration

The amount of substance dissolved in a solution.