What is the pH after 2.10 mL of NAOH are added? Hint given in general feedback. Answer: What is the pH after 6.20 mL of NaOH are added? Hint given in general feedback. Answer: What is the pH at the equivalence point?
What is the pH after 2.10 mL of NAOH are added? Hint given in general feedback. Answer: What is the pH after 6.20 mL of NaOH are added? Hint given in general feedback. Answer: What is the pH at the equivalence point?
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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Transcribed Image Text:Titration of a weak acid
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH. First what is the initial pH (before
any NaOH is added)?
The K, for HOCI is 3.0 x 10-8 M.
Need help? Hint, given in general feedback.
Answer:
3.96
How many mL of NaOH are added to reach the equivalence point?
Answer:
8
What is the pH after 2.10 mL of NaOH are added?
Hint given
general feedback.
Answer:
What is the pH after 6.20 mL of NaOH are added?
Hint given in general feedback.
Answer:
What is the pH at the equivalence point?
Notice that the pH of a weak acid at the equivalence point is basic.
Answer:
What is the pH after 8.60 mL of NaOH are added?
Hint given in general feedback.
Answer:
What is the pH after 21.30 mL of NaOH are added?
Hint given in general feedback.
Answer:
What is the pH when half the acid has been neutralized?
Hint given in general feedback.
Answer:
7,52
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