Unit 8 Chem Review- Acids/ Bases, pH

For a solution, pH + pOH =

• 7

• 14

• 1.0 x 10^-14

• -log (1.0 x 10 ^-14)

If the pH of a solution is 4.0, what is the pOH?

• 4.0

• 10.0

• 1.0 x 10 ^-4

• cannot be determined from the information

If the [H₃O⁺] of a solution is 1 x 10^-3 M, the pH is

• 11

• -3

• 3

• 1

What is the pH of a solution that has a [H+] of 2.5 x 10^-5?

• 4.60

• 2.5

• 5.0

• 7

Find the pH of a solution with [OH-] = 8.41 x 10^-4.

• 3.08

• 10.92

• 9.88

• 11.23

The hydroxide ion concentration in a soft drink is 5.00 x 10^-12 M.  Find the pH.

• 0.002
• 2.7
• 11.3
• 14

What is the conjugate acid in the following equation?

• PO₄^3- 
• HNO₃ 
• NO₃^- 
• HPO₄^2-
  

What is the conjugate base in the following reaction?

• HCO₃^- 
• HCl
•  H₂CO₃ 
• ^Cl-

Ammonia has a pOH of 2. Ammonia is a(n) __________.

• acid

• base

• neutral

• metal

What is the pH of a solution that has a [H+] of 2.5 x 10^-5?

• 4.60

• 2.5

• 5.0

• 7