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
The graph above shows the titration curves of four monoprotic acids of varying strengths. All of the acids start out at 0.1 M concentration and 25.0 mL volume. Choose all of the correct statements about these titration curves from the choices below.
a. The titration curve labelled "D" is generated by the strongest acid in the series.
b. The Ka of the acid which generates curve "A" is about 10-5.
c. In the curves shown above all acids require the same amount of NaOH for neutralization.
d. The pKa of a titration indicator should match the pH of the neutralization point.
e. The stronger the acid the higher the pH of the neutralization point.
f. The pKb of the conjugate base of the acid which generates curve "C" is about 10.
b. The Ka of the acid which generates curve "A" is about 10-5.
c. In the curves shown above all acids require the same amount of NaOH for neutralization.
d. The pKa of a titration indicator should match the pH of the neutralization point.
e. The stronger the acid the higher the pH of the neutralization point.
f. The pKb of the conjugate base of the acid which generates curve "C" is about 10.
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