Do Now - AP - Intro to Acids and Bases

Which of the following is NOT a name for H⁺ (H₃O⁺)?

• Hydronium Ion

• Hydrogen Ion

• Hydroxide Ion

• Proton

The pH scale measures...

• ...the strength of an acid.
• ...the strength of hydrogen ions.
• ...the concentration of hydrogen ions.
• ...the concentration of an acid

If a solution is basic which ion will be more present?

• H+
• K+
• OH-
• H-

Which pH number below reflects a weak base?

• 1

• 6

• 8

• 13

Which pH number below reflects a strong acid?

• 1

• 6

• 8

• 13

The pH of a solution is 8.43. What is the [H₃O⁺] concentration?

• 3.7 x 10 ^-9

• 1.0 x 10^-8.43

• 2.7 x 10^-6

• 1.0 x 10^-14

If the [OH^-] of a solution is 2.7 x 10^-4 M, the pOH of the solution is

• 10.44

• 1.00

• 3.57

• -4.43

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 the [H₃O⁺] of a solution is 1 x 10^-8 M, the [OH-] is

• 1.0 x 10^-6 M

• 1.0 x 10^{6 M}

• 1.0 x 10^-8 M

• 1.0 x 10⁸ M

A solution of KOH is 2.5 x 10^-5 M. What is the [H⁺] concentration?

• 4.60

• 9.40

• 3.98 x 10^-10

• 1.0 x 10^-4.60