CHM 111 Final Review 2021

In a solution, the solvent _____________

• is a liquid

• can be a liquid or gas

• can be a liquid, gas, or solid

• is the substance present in smallest concentration

A solution is prepared by dissolving 2g of KCl in 100g of H₂O. In this solution, H₂O is the ___________-

• solute

• solvent

• solution

• ionic compound

Oil does not dissolve in water because

• oil is polar

• oil is nonpolar

• oil is saturated with water

• water is nonpolar

A solution contains 43 mEq/L of Cl^- and 11 mEq/L of HPO4^-. If the only cation in the solution is Na⁺, what is the concentration in mEq/L?

• 43 mEq/L

• 11 mEq/L

• 2 mEq/L

• 54 mEq/L

How many grams of glucose are needed to prepare 400 mL of a 2.0% (m/v) glucose solution?

• 800 g

• 0.0050 g

• 8.0 g

• 2.0 g

The conjugate acid of H₂O is______.

• OH^-

• H₂O⁺

• H₃O⁺

• H₂O

What is the pH of a solution with a [H₃O⁺] = 1.54 x 10^-4M?

• 10.19

• 7

• 3.81

• -3.81

Which of the following pH values represents the most acidic species?

• 4.5

• 1.2

• 4.7

• 8.9

According to the Bronsted-Lowry definition___________.

• An acid is a proton acceptor

• A base produces H⁺

• a base is a proton acceptor

• an acid will burn your eyes out

True or False: Dr. Winters has a German Shepherd named Charles Bosco Winters

• True

• False