Acids and Bases Review

A characteristic of a substance that is considered a base is that it may feel

• dry

• slippery

• solid

• crumbly

Which would make blue litmus red?

• Acids

• Bases

• Neutral (pure water)

• All of these

Aqueous refers to a substance that is

• pure water only (H₂O)

• dissolved in water

• in an ionic state

• titrated with water

A substance with a pH of 5.0...

• has [H⁺] = [OH^-]

• has [H⁺] > [OH^-]

• has [H⁺] < [OH^-]

• has no ions present

A substance with a pH of 7.0...

• has [H⁺] = [OH^-]

• has [H⁺] > [OH^-]

• has [H⁺] < [OH^-]

• has no ions present

A substance with a pH of 11.0...

• is considered acidic

• is considered basic

• has a large pOH value

• is considered neutral

K_w is equal to... (choose any that apply)

• 1 x 10^-7

• 1 x 10^-14

• [H⁺] x [OH-]

• [H₂O] at 25^oC

If H₂SO4 and sodium hydroxide react, the salt formed would be...

• Na₂S

• Na₂H

• NaSO₄

• Na₂SO₄

You could expect the pH of potassium hydroxide to be closest to...

• 2.0

• 7.0

• 9.0

• 0.0

You could expect the pH of HC₂H₃O₂ to be closest to...

• 2.0

• 7.0

• 9.0

• 14.0