One of the factors that can affect the pH of a buffered solution is the molar ratio of the conjugate base and weak acid. Which of the following statement is correct? "If the concentration of the conjugate base is higher than the weak acid, the pH will be less than the pKa." "If the concentration of the conjugate base is less than the weak acid, the pH will be less than the pKa." "If the concentration of the conjugate base is higher than the weak acid, the net change of the pH is going to the acidic side (lower pH)" "If the concentration of the conjugate base is less than the weak acid, the net change of the pH is going to the basic side (higher pH)"
One of the factors that can affect the pH of a buffered solution is the molar ratio of the conjugate base and weak acid. Which of the following statement is correct? "If the concentration of the conjugate base is higher than the weak acid, the pH will be less than the pKa." "If the concentration of the conjugate base is less than the weak acid, the pH will be less than the pKa." "If the concentration of the conjugate base is higher than the weak acid, the net change of the pH is going to the acidic side (lower pH)" "If the concentration of the conjugate base is less than the weak acid, the net change of the pH is going to the basic side (higher pH)"
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
One of the factors that can affect the pH of a buffered solution is the molar ratio of the conjugate base and weak acid. Which of the following statement is correct?
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"If the concentration of the conjugate base is higher than the weak acid, the pH will be less than the pKa."
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"If the concentration of the conjugate base is less than the weak acid, the pH will be less than the pKa."
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"If the concentration of the conjugate base is higher than the weak acid, the net change of the pH is going to the acidic side (lower pH)"
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||
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"If the concentration of the conjugate base is less than the weak acid, the net change of the pH is going to the basic side (higher pH)"
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