Problem: For the generic equilibrium HA(aq) ⇌ H+(aq) + A-(aq), which of these statements is true? Select one: a. If you add the soluble salt KA to a solution of HA that is at equilibrium, the pH would increase. b. If you add the soluble salt KA to a solution of HA that is at equilibrium, the concentration of A- would decrease. c. The equilibrium constant for this reaction changes as the pH changes. Od. If you add the soluble salt KA to a solution of HA that is at equilibrium, the concentration of HA would decrease.

FREE Expert Solution

HA (aq)  H+ (aq) + A- (aq)


KA (aq)  K+ (aq) + A- (Aq)


addition of A- (aq)

  • A- product
  • shift reaction to the left


View Complete Written Solution
Problem Details

For the generic equilibrium HA(aq) ⇌ H+(aq) + A-(aq), which of these statements is true? 

Select one: 

a. If you add the soluble salt KA to a solution of HA that is at equilibrium, the pH would increase. 

b. If you add the soluble salt KA to a solution of HA that is at equilibrium, the concentration of A- would decrease. 

c. The equilibrium constant for this reaction changes as the pH changes. O

d. If you add the soluble salt KA to a solution of HA that is at equilibrium, the concentration of HA would decrease.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Le Chatelier's Principle concept. You can view video lessons to learn Le Chatelier's Principle . Or if you need more Le Chatelier's Principle practice, you can also practice Le Chatelier's Principle practice problems.