Acid Base Equilibrium Review

An increase in the amount of hydrogen ions in a solution ____ the pH.

• raises

• lowers

• does not affect

• doubles

Which is are characteristics of acids?

• Turns Phenol Red indicator yellow

• Turns Phenol Red indicator pink

Which is are characteristics of bases?

• Turns Phenol Red indicator yellow

• Turns Phenol Red indicator pink

Human blood has a pH of between 7.38 and 7.42. This means that the blood is ________.

• very acidic

• slightly acidic

• very basic

• slightly basic

Tags

NGSS.HS-LS1-3

An increase in the amount of hydroxide ions in a solution ____ the pH.

• raises

• lowers

• does not effect

• doubles

Base has a pH range of ______________.

• 0-6.9

• 7.1-14

• 0-14

Acids have a range of ________.

• 0-6.9

• 7.1-14

• 0-14

Consider the following reaction: HCl + KOH --> H2O + KCl Identify the acid in the reaction above.

• HCl

• H2O

• KOH

• KCl

Identify the base in the reaction above.

• HCl

• H2O

• KOH

• KCl

A  pH and a pOH will add up to:

• 0

• 7

• 14

• 1.0 x 10^-14