Solubility and Common Ion Effect

The video tutorial covers the common ion effect and its influence on the solubility of salts. It explains how the presence of a common ion in a solution affects the solubility equilibrium, using Le Chatelier's principle. The tutorial includes detailed problem-solving examples involving silver chloride in sodium chloride solution and silver chromate in potassium chromate solution. It demonstrates the use of equilibrium expressions and ICE tables to calculate solubility and KSP values, emphasizing the impact of common ions on solubility.

What is the primary effect of a common ion on the solubility of a salt?

• It has no effect on the solubility of the salt.

• It increases the solubility of the salt.

• It decreases the solubility of the salt.

• It changes the color of the solution.

In the context of the common ion effect, what does Le Chatelier's principle suggest?

• The reaction will shift to produce more reactants.

• The reaction will shift to produce more products.

• The reaction will remain unchanged.

• The reaction will stop completely.

When setting up an ICE table for silver chloride in a sodium chloride solution, what initial concentration of chloride ions should be considered?

• 1 M

• 0.55 M

• 0 M

• 2 M

What is the Ksp value of silver chloride used in the calculations?

• 1.8 x 10^-15

• 1.8 x 10^-20

• 1.8 x 10^-5

• 1.8 x 10^-10

How does the presence of a common ion affect the calculation of solubility using Ksp?

• It increases the calculated solubility.

• It doubles the calculated solubility.

• It decreases the calculated solubility.

• It has no effect on the calculated solubility.

What is the common ion in the solution of silver chromate and potassium chromate?

• Silver ion

• Chromate ion

• Potassium ion

• Chloride ion

In the solubility reaction of silver chromate, what is the stoichiometric coefficient of silver ions?

• 3

• 2

• 4

• 1

What is the simplified expression for the Ksp of silver chromate in the presence of a common ion?

• 2x^2 * 0.05 = 9 x 10^-12

• 4x^2 * 0.05 = 9 x 10^-12

• x^2 * 0.05 = 9 x 10^-12

• x^2 * 0.1 = 9 x 10^-12

What is the calculated solubility of silver chromate in the potassium chromate solution?

• 2.1 x 10^-5 M

• 4.2 x 10^-10 M

• 4.2 x 10^-5 M

• 2.1 x 10^-10 M

How does the solubility of silver chromate in a solution with a common ion compare to its solubility in pure water?

• It is unpredictable.

• It is lower in the solution with a common ion.

• It is higher in the solution with a common ion.

• It is the same in both solutions.