6.2 pH Value

The pH scale is a range from:

• 1-7
• 0-14
• 1-14
• 1-20

A(n) ______ is a substance with a pH less than 7

• Acid
• Alkaline
• Base
• Buffer

A(n) _______ is a substance with a pH greater than 7.

• Alkaline

• Acid

• Buffer

• Water

What is the only substance with a neutral pH of 7?

• Milk
• Orange Juice
• Water
• Blood

Calculate the pH value for the following solutions. (JUST GIVE THE VALUE/NUMBER)

0.001 moldm^-3 hydrochloric acid.

Calculate the pH value for the following solutions. (JUST GIVE THE VALUE/NUMBER) (1 decimal place)

0.125 moldm^-3 nitric acid.

Calculate the pH value for the following solutions. (JUST GIVE THE VALUE/NUMBER) (1 decimal place)

0.003 moldm^-3 sodium hydroxide solution.

Calculate the pH value for the following solutions. (JUST GIVE THE VALUE/NUMBER) (2 decimal place)

0.012 moldm^-3 barium hydroxide solution.

Calculate the pH value for the following solutions. (JUST GIVE THE VALUE/NUMBER) (1 decimal place)

0.002 moldm^-3 hydrochloric acid.

Calculate the pH value for the following solutions. (JUST GIVE THE VALUE/NUMBER) (1 decimal place)

5.0 x 10^-4 moldm^-3 sodium hydroxide solution at 25⁰C.