1. What is the formula for the conjugate acid of HSO₄^-?

A) H₂SO₄

B) HSO₄^2-

C) SO₄^2-

D) H₂SO₄^-

2. What is the formula for the conjugate base of HBr?

A) Br^-

B) HBr^-

C) H₂Br

D) Br⁺

3. Which of the following is not a product of the following reaction when balanced?

HCl + MgCO₃ →

A) H₂O

B) 2MgCl

C) CO₂

D) MgCl₂

4. Imagine you react HCl (an acid) with NaOH (a base). It requires 25.0 mL of 0.500 M HCl to neutralize a 0.100 M solution of NaOH. How many milliliters of NaOH did you add?

A) 0.125 mL

B) 125 mL

C) 0.200 mL

D) 0.0500 mL

5. What is the pH of a solution that contains 2.31 x 10^-6 M H⁺?

A) -5.63

B) -5.64

C) 5.64

D) 5.63