Chapter 16 (section 5)

Question 1

A compound is considered ____ if it dissolves in water.

Answer 1

soluble

Question 2

a compound is considered ______ if it does not dissolve in water

Answer 2

insoluble

Question 3

Define solubility product constant (Ksp)

Answer 3

The equilibrium expression for a chemical equation representing the dissolution of a slightly to moderately soluble ionic compound

Question 4

The ___ of a compound is the quantity of the compound that dissolves in a certain amount of liquid

Answer 4

solubility

Question 5

The _____ has only one value at a given temperature whereas the solubility can have different values for different solutions

Answer 5

Ksp

Question 6

Direct comparison of Ksp values can only be made if the compounds have…..?

Answer 6

the same dissociation stiochiometry

Question 7

In general, the solubility of an ionic compound is ____ in a solution containing a common ion than in pure water.

Answer 7

lower

Question 8

The effect of adding high concentrations of uncommon ions is…?

Answer 8

to slightly increase the solubility of an insoluble salt

Question 9

What is the uncommon ion effect (salt effect)?

Answer 9

High concentrations of an uncommon ion in solution increases the solubility of an insoluble salt

Question 10

What is an uncommon ion?

Answer 10

an ion which does not appear in the solubility equilibrium of interest

Question 11

In general, the solubility of an ionic compound with strongly basic or weakly basic anion _____ with increasing acidity (decreasing pH)

Answer 11

increases