PH calculations

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

If a solution has a very high pH, the hydroxide concentration is _______.

• very high

• very low

• zero

A solution has a pH of 6.9. This solution is _____.

• an acid

• a base

• neutral

What is the [H+] if the pH is 4.0?

• 1.0 x 10-10  M
• 1.0 x 10-4  M
• 1.0 x 10-14  M
• 1.0 x 10-7  M

The [H⁺] is orange juice is
0.00020 M.  FInd the pH of orange juice.

• 1
• 3.7
• 10.3
• 13

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

• 4.60
• 5.0
• 2.5
• 7

A solution with a pOH of 3.0 is considered

• acidic

• basic

• neutral