Acids and Bases Quiz 2 Review

If a solution has a [OH⁺] concentration of 4.5 x 10^-7 M, is this an acidic or basic solution?

• Highly acidic

• Slightly acidic

• Highly basic

• Slightly basic

Determine the pH of a 4.3 x 10^-4 M NaOH solution.

• 11.5

• 2.53

Determine the concentration of a HNO₃ solution with a pH of 2.5.

• 0.0032

• 0.0034

• 0.034

What is the concentration of hidroxide ions in a solution with a pH = 7.65?

• 2.24x10^-8

• 2.5x10^-7

• 4.47x10^-7

• 1.8x10^-8

A 1.26X10^-6 M Ba(OH)₂ solution is:

• Basic (pH=8.4)

• Acidic (pH=6.5)

• Basic (pH=8.0)

• Basic (pH=9.4)

If a solution has a [H⁺] of 9.3x10^-11, what is the pH?

• 10.0

• 4.0

• 3.5

• 8.2

If a solution has a [OH^-] of 2.3x10^-4, it must be a(n)...

• Acid

• Base

• Neutral

If the pH of a solution is 5.6 the pOH is

• 6.5
• 12.4
• 8.4
• 5.6

A  pH and a pOH will add up to:

• 0
• 7
• 14
• 1.0 x 10^-14

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