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


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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.