Acids and Bases

Which of these pH values represents an acid?

• 4

• 8

• 10

• 12

Which is the Brønsted-Lowry acid in the reaction?

HCO₃^- + H₂O → H₂CO₃ + OH^-

• HCO₃^-

• H₂O

• H₂CO₃

• OH^-

Molarity is expressed as _______ of solute per ______ of solution

• mol/L

• g/L

• L/mol

• kg/L

What is the [OH^-] for a solution with a [H⁺] of 3.25x10^-5 M?

• 3.08x10¹⁰ M

• 7.78x10^-12 M

• 3.08x10^-10 M

• 2.15x10^-9 M

Which of the following pH values represents a base?

• 2.1

• 4.6

• 6.8

• 8.1

What is the molarity of a solution with 0.25 mol of HNO₃ dissolved in 1.5 L of solution?

• 6.0 M

• 0.17 M

• 0.38 M

• 2.5 M

What is the pH of a solution with a pOH of 5.75?

• 1.35

• 5.60

• 8.25

• 10.5

Arrhenius acids form __________ ions in solution, and Arrhenius bases form __________ ions in solution.

• OH^-, H₃O⁺

• OH^-, H⁺

• H₃O⁺, OH^-

• H⁺, H₃O⁺

If the substance is neutral, what would its pH be?

• 0

• 5

• 7

• 14

Brønsted=Lowry acids are proton _____________ and Brønsted-Lowry bases are proton _____________.

• Acceptors, donors

• Avoiders, acceptors

• Donors, acceptors

• Attractors, donors