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EXERCISE 1: Calculate the pH of a 0.50 M HA at 25°C. At 25°C, the acid dissociation constant (K₂) of the monoprotic weak acid, HA, is 7.2 x 10-6. Complete the ICE Table below: + Dissociation Equation HA(aq) H+ (aq) A (aq) INITIAL 0.500 0 Concentration CHANGE -X +X EQUILIBRIUM Concentration (6 pts) [HA] = [H+] = [A-] = Write the equilibrium expression for the acid dissociation constant, K₂, and substitute the mathematical equation containing the variable x into the equilibrium expression. Then calculate the [H+] and pH of the solution. Show your complete solution. 0 +X

EXERCISE 1: Calculate the pH of a 0.50 M HA at 25°C. At 25°C, the acid dissociation constant (K₂) of the monoprotic weak acid, HA, is 7.2 x 10-6. Complete the ICE Table below: + Dissociation Equation HA(aq) H+ (aq) A (aq) INITIAL 0.500 0 Concentration CHANGE -X +X EQUILIBRIUM Concentration (6 pts) [HA] = [H+] = [A-] = Write the equilibrium expression for the acid dissociation constant, K₂, and substitute the mathematical equation containing the variable x into the equilibrium expression. Then calculate the [H+] and pH of the solution. Show your complete solution. 0 +X

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter4: Chemical Reactions
Section4.8: Diluting Solutions
Problem 4.6CC: Consider the following beakers. Each contains a solution of the hypothetical atom X. a Arrange the...
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EXERCISE 1: Calculate the pH of a 0.50 M HA at 25°C. At 25°C, the acid dissociation constant (Ka) of the monoprotic weak acid, HA, is 7.2 x 10-6. Complete the ICE Table below: Dissociation Equation + HA(aq) H+ (aq) A (aq) INITIAL 0.500 0 Concentration CHANGE -X +X EQUILIBRIUM Concentration (6 pts) [HA] [H+] = [A-] = Write the equilibrium expression for the acid dissociation constant, K₂, and substitute the mathematical equation containing the variable x into the equilibrium expression. Then calculate the [H+] and pH of the solution. Show your complete solution. 0 +X
Transcribed Image Text:EXERCISE 1: Calculate the pH of a 0.50 M HA at 25°C. At 25°C, the acid dissociation constant (Ka) of the monoprotic weak acid, HA, is 7.2 x 10-6. Complete the ICE Table below: Dissociation Equation + HA(aq) H+ (aq) A (aq) INITIAL 0.500 0 Concentration CHANGE -X +X EQUILIBRIUM Concentration (6 pts) [HA] [H+] = [A-] = Write the equilibrium expression for the acid dissociation constant, K₂, and substitute the mathematical equation containing the variable x into the equilibrium expression. Then calculate the [H+] and pH of the solution. Show your complete solution. 0 +X
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