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A buffer solution is prepared by dissolving 1.0 mole of the weak acid CH3COOH (pKa = 4.74) and 1.0 mole of its conjugate base (CH3CO0) in 1.0 L of water. Suppose 0.1 moles of HC1 is added to this buffer solution. Which of the following statement(s) is/are true of this buffer solution FOLLOWING the addition of HC1? I. The resulting pH of the solution will be higher than 4.74 II. The resulting pH of the solution will be lower than 4.74 III. The 0.1 mole addition will be neutralized by the CH3COOH component of the buffer IV. The 0.1 mole addition will be neutralized by the CH3COO¯ component of the buffer O A II and III B. II and IV O C.II only O D.IV only

A buffer solution is prepared by dissolving 1.0 mole of the weak acid CH3COOH (pKa = 4.74) and 1.0 mole of its conjugate base (CH3CO0) in 1.0 L of water. Suppose 0.1 moles of HC1 is added to this buffer solution. Which of the following statement(s) is/are true of this buffer solution FOLLOWING the addition of HC1? I. The resulting pH of the solution will be higher than 4.74 II. The resulting pH of the solution will be lower than 4.74 III. The 0.1 mole addition will be neutralized by the CH3COOH component of the buffer IV. The 0.1 mole addition will be neutralized by the CH3COO¯ component of the buffer O A II and III B. II and IV O C.II only O D.IV only

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
Chapter16: Acid-base Equilibria
Section: Chapter Questions
Problem 16.144QP
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A buffer solution is prepared by dissolving 1.0 mole of the weak acid CH3COOH (pKa = 4.74) and 1.0 mole of its conjugate base (CH3CO0) in 1.0 L of water. Suppose 0.1 moles of HC1 is added to this buffer solution. Which of the following statement(s) is/are true of this buffer solution FOLLOWING the addition of HC1? I. The resulting pH of the solution will be higher than 4.74 II. The resulting pH of the solution will be lower than 4.74 III. The 0.1 mole addition will be neutralized by the CH3COOH component of the buffer IV. The 0.1 mole addition will be neutralized by the CH3COO¯ component of the buffer O A II and III B. II and IV O C.II only O D.IV only
Transcribed Image Text:A buffer solution is prepared by dissolving 1.0 mole of the weak acid CH3COOH (pKa = 4.74) and 1.0 mole of its conjugate base (CH3CO0) in 1.0 L of water. Suppose 0.1 moles of HC1 is added to this buffer solution. Which of the following statement(s) is/are true of this buffer solution FOLLOWING the addition of HC1? I. The resulting pH of the solution will be higher than 4.74 II. The resulting pH of the solution will be lower than 4.74 III. The 0.1 mole addition will be neutralized by the CH3COOH component of the buffer IV. The 0.1 mole addition will be neutralized by the CH3COO¯ component of the buffer O A II and III B. II and IV O C.II only O D.IV only
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