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

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

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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13
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