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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

Chemical Principles in the Laboratory
Chemical Principles in the Laboratory
11th Edition
ISBN:9781305264434
Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Chapter22: Properties Of Systems In Chemical Equilibrium-le Chatelier's Principle
Section: Chapter Questions
Problem 1ASA: Methyl orange, HMO, is a common acid-base indicator. In solution it ionizes according to the...
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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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