Acids and Bases

Front

What is the pH scale?

Back

The pH scale is a measure of how acidic or basic a solution is, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.

Front

What is an acid?

Back

An acid is a substance that donates hydrogen ions (H+) in a solution, resulting in a pH less than 7.

Front

What is a base?

Back

A base is a substance that accepts hydrogen ions (H+) or donates hydroxide ions (OH-) in a solution, resulting in a pH greater than 7.

Front

What is a solute?

Back

A solute is the substance that is dissolved in a solvent to form a solution.

Front

What is a solvent?

Back

A solvent is the substance that dissolves a solute, forming a solution.

Front

What is the difference between strong and weak acids?

Back

Strong acids completely dissociate in water, while weak acids only partially dissociate.

Front

What is the role of hydronium ions in acids?

Back

Acids produce hydronium ions (H3O+) when dissolved in water, which is responsible for their acidic properties.

Front

What is the pH of lemon juice?

Back

Lemon juice typically has a pH of around 2, making it acidic.

Front

What is the pH of vinegar?

Back

Vinegar has a pH of about 2.5, indicating it is a strong acid.

Front

What is the pH of tomato soup?

Back

Tomato soup has a pH of around 4, classifying it as an acid.