pH calculations

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

• an acid

• a base

• neutral

If the hydrogen ion concentration is 1.0 x 10^-8M, the pH will be _______.

• 8

• 6

• 14

• 1

If the pOH is 11.0, the pH will be _____ and the solution will be ______.

• 11.0, acidic

• 11.0, basic

• 3.0, acidic

• 3.0, basic

If the [OH-] of a solution is 2.7 x 10^-4 mol/L the pOH of the solution is

• 10.44
• 3.56
• 1.00
• -4.43

If the [H+] of a solution is 6.8 x 10^-9 mol/L the pH is

• 8.17
• 8.2
• 9.99
• 8.62

What is the pOH of a solution where the [OH-] = 7.3 x 10^-2 M?

• -1.14

• 2.0

• 1.14

• 7.3

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

If the [H₃O⁺] of a solution is 9.3 x 10^-3 M, the pOH of the solution will be

• 2.03

• 1.02

• 11.97

• 12.98

If a solution has a pOH of 3.7 the [OH-] of the solution is

• 5.0 x 10^-11

• 2.0 x 10^-4

• 10.3

• 14