U10 pH pOH

Neutral solutions have a pH of

• pH of 2

• pH of 0

• pH of 7

• A neutral solution does not have a pH

Which is NOT a property of a base?

• Tastes sour

• Slippery

• Bitter taste

• Turns red litmus to blue

An acid’s pH is between :

• 0 to 6

• 7

• 8-14

• 6-14

A base is a substance

• That releases OH- ions when dissolved in water

• That releases H+ ions when dissolved in water

• Does not release any ions when dissolved in water

• None of the above

A(n) _______ is a substance with a pH greater than 7.

• Base
• Acid
• Buffer
• Water

What is the pH of a solution with a hydrogen ion concentration of 6.2 x 10^-5?

• 5

• 4.2

• 1.6

• 10.9

What is the concentration of H⁺ in a solution with a pH of 3?

• 1.0 x 10^-3

• 3.0 M

• 10.3 M

• 10³ M

What is the pH of a solution when [H⁺] = 7.9 x 10^-11?

• 2.4

• 10.1

• 7.5

• 4.8

Which of the following is the hydrogen ion concentration of an acid?

• 9.2 x 10^-14

• 2.4 x 10^-7

• 1.0 x 10^-8

• 5.7 x 10^-11

Strong acids and bases...

• do not break apart into ions (non-electrolyte)
• partially break apart into ions (weak electrolyte)
• completely break apart into ions (non-electrolyte)
• completely break apart into ions (strong electrolyte)