Question 6 CH;COOH(ag) + H2O(1) 2 H30* (aq) + CH3COO (aq) CH3COO (ag) + H2O(1) 2 CH;COOH(aq) + OH (ag) 2 H,O(1) 2 H3O* (ag) + OH (ag) A buffer solution is made up of acetic acid (CH3COOH) and sodium acetate (NaCH;C00). The major equilibria in the buffer system are represented above. Which of the following equilibria could be used to support the claim that the addition of a small amount of NaOH to the buffer will result in only a very small change in pH? A CH3COOH(ag) + CH3COO (ag) CH;COO (aq) + CH;COOH(ag) CH3COOH(ag) + OH (ag) 2 CH;COO (aq) + H20(1) H3O* (ag) + OH (ag) 2 2 H20(1)

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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question 6
CH;COOH(ag) + H2O(1) 2 H30t (aq) + CH3COO (ag)
CH3COO (ag) + H2O(1) 2 CH3COOH(aq) + OH- (ag)
2 H2O(1) 2 H3O*(aq) + OH¯(aq)
A buffer solution is made up of acetic acid (CH3COOH) and sodium acetate (NaCH3COO). The major
equilibria in the buffer system are represented above. Which of the following equilibria could be used to
support the claim that the addition of a small amount of NaOH to the buffer will result in only a very small
change in pH?
А
CH3COOH(ag) + CH3COO (aq) 2 CH;COO (ag) + CH;COOH(aq)
B
CH;COOH(aq) + OH (aq) 2 CH3COO (ag) + H,O(1)
H3O* (ag) + OH (ag) 2 2 H20(1)
CH;COOH (ag) + H2O(1) 2 H;0* (ag) + CH3COO (ag)
Transcribed Image Text:Question 6 CH;COOH(ag) + H2O(1) 2 H30t (aq) + CH3COO (ag) CH3COO (ag) + H2O(1) 2 CH3COOH(aq) + OH- (ag) 2 H2O(1) 2 H3O*(aq) + OH¯(aq) A buffer solution is made up of acetic acid (CH3COOH) and sodium acetate (NaCH3COO). The major equilibria in the buffer system are represented above. Which of the following equilibria could be used to support the claim that the addition of a small amount of NaOH to the buffer will result in only a very small change in pH? А CH3COOH(ag) + CH3COO (aq) 2 CH;COO (ag) + CH;COOH(aq) B CH;COOH(aq) + OH (aq) 2 CH3COO (ag) + H,O(1) H3O* (ag) + OH (ag) 2 2 H20(1) CH;COOH (ag) + H2O(1) 2 H;0* (ag) + CH3COO (ag)
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