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Listen The pH of a solution of 0.04 M HCI is: 4 1.4 0.4 0.04 The pH cannot be determined Question 4 Listen In a titration of a weak acid by a strong base two equivalents of base are always needed to neutralize all the acid present the equivalence point cannot be defined exactly there is a region in which the pH changes slowly the equivalence point depends on the nature of the added base

Listen The pH of a solution of 0.04 M HCI is: 4 1.4 0.4 0.04 The pH cannot be determined Question 4 Listen In a titration of a weak acid by a strong base two equivalents of base are always needed to neutralize all the acid present the equivalence point cannot be defined exactly there is a region in which the pH changes slowly the equivalence point depends on the nature of the added base

Chemistry
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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Question 3 Listen The pH of a solution of 0.04 M HCI is: 1.4 O 0.4 0.04 The pH cannot be determined Question 4 Listen In a titration of a weak acid by a strong base two equivalents of base are always needed to neutralize all the acid present the equivalence point cannot be defined exactly there is a region in which the pH changes slowly the equivalence point depends on the nature of the added base
Transcribed Image Text:Question 3 Listen The pH of a solution of 0.04 M HCI is: 1.4 O 0.4 0.04 The pH cannot be determined Question 4 Listen In a titration of a weak acid by a strong base two equivalents of base are always needed to neutralize all the acid present the equivalence point cannot be defined exactly there is a region in which the pH changes slowly the equivalence point depends on the nature of the added base
A buffer solution at pH 10 has a ratio of [HA]/[A] of 10. What is the pKa of the acid? 8 9 10 11 12 Question 2 Listen The dissociation constant for an acid is 1 10-6. What is its pką? 6 0.6 -0.6
Transcribed Image Text:A buffer solution at pH 10 has a ratio of [HA]/[A] of 10. What is the pKa of the acid? 8 9 10 11 12 Question 2 Listen The dissociation constant for an acid is 1 10-6. What is its pką? 6 0.6 -0.6
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