Unit 4C- Acids and Bases

Acids are substances that form __ when dissolved in water.

• OH^-

• H3O⁺

• Hydroxide

• Hydronium

Bases are substances that form __ when dissolved in water.

• OH^-

• H3O⁺

• Hydroxide

• Hydronium

You can identify that HBr is a(n) ___ because it ___.

• acid; ends in OH

• acid; begins with H

• base; ends in OH

• base; begins with H

You can identify that LiOH is a(n) ___ because it ___.

• acid; ends in OH

• acid; begins with H

• base; ends in OH

• base; begins with H

Acids are substances with a pH

• less than 7

• equal to 7

• greater than 7

Bases are substances with a pH

• less than 7

• equal to 7

• greater than 7

A substance with a neutral pH

• has a pH of 14

• has a pH of 7

• [H3O⁺] = [OH^-]

• [H3O⁺] > [OH^-]

What do [ ] brackets represent?

• Concentration/Molarity

• pH

• Boiling point

• Acidic

Do pH measurements have units?

• Yes

• No

Which of the following represents a neutralization reaction?

• Salt + Water --> Acid + Base

• Salt + Acid --> Base + Water

• Acid + Water --> Base + Salt

• Acid + Base --> Salt + Water