Section 16.1 Reading Quiz

What is the equilibrium constant for the solubility product expression?

• K_sp

• K_w

• K_a

• K_b

Tags

NGSS.HS-PS1-6

How many values are possible for the solubility product at a given temperature?

• zero

• one

• two

• infinite

Which of the following is an example of the common ion effect?

• Decreased solubility of a salt in the presence of a common ion

• Formation of a complex ion

• Increased solubility of a salt in the presence of a common ion

• No effect on the solubility of a salt in the presence of a common ion

What is the solubility product constant (K_sp) for copper(II) bromide (CuBr₂) with a solubility of 2.0 × 10^-4 mol/L?

• 1.4 × 10^-7

• 2.0 × 10^-4

• 4.0 × 10^-8

• 6.4 × 10^-8

Which of the following salts has the highest solubility?

• CuI

• AgCl

• CaCO₃

• BaSO₄

What happens to the solubility of magnesium hydroxide (Mg(OH)2) when the pH of the solution decreases?

• Increases

• Decreases

• Remains the same

• Cannot be determined

What is the term used for a solution that has reached the point where no more solid dissolves?

• saturated

• unsaturated

• supersaturated

Which of the following represents the dissolution of calcium fluoride?

• Ca⁺²(aq) + F^-(aq) ⇌ CaF₂(s)

• Ca⁺²(aq) + 2F^-(aq) ⇌ CaF₂(s)

• CaF₂(s) ⇌ Ca⁺²(aq) + F^-(aq)

• CaF₂(s) ⇌ Ca⁺²(aq) + 2F^-(aq)

Tags

NGSS.HS-PS1-3

NGSS.HS-PS1-7

Which method would help calculate solubility for a common ion solution?

• Titration

• Measuring pH

• Comparing K_sp Values

• ICE Table

What is the purpose of adding fluoride to drinking water?

• To decrease the solubility of tooth enamel

• To increase the solubility of tooth enamel

• To neutralize acids in the mouth

• To prevent the formation of complex ions