3. Are any samples neutral? Explain how you know this. Hzo iS newtial due to no conductiurty. red and blue litmus don't change color, and colorless pheno test. uffers due to no conductiunty Sample Initial pH pH after addition of 0.1 M HCI 0.1 M aOH Water (1) 7,0 3.て 9.5 4.8 13.0 8,5 13.1 4.9 HC,H,0,(aq) Sedivem Acetate (aq) 0.9 5,2 HC,H,O, (aq)/S Acetate (aq) 4.7 1. What is the purpose of a buffer? to minimize the change in pH when you a strong acid or bbase. Keeps the ptine where it Started. 2. Which of the samples above is a buffer? HCz H3OZ 3. Write equations showing the reaction of the buffer with HCl and then with OH.
3. Are any samples neutral? Explain how you know this. Hzo iS newtial due to no conductiurty. red and blue litmus don't change color, and colorless pheno test. uffers due to no conductiunty Sample Initial pH pH after addition of 0.1 M HCI 0.1 M aOH Water (1) 7,0 3.て 9.5 4.8 13.0 8,5 13.1 4.9 HC,H,0,(aq) Sedivem Acetate (aq) 0.9 5,2 HC,H,O, (aq)/S Acetate (aq) 4.7 1. What is the purpose of a buffer? to minimize the change in pH when you a strong acid or bbase. Keeps the ptine where it Started. 2. Which of the samples above is a buffer? HCz H3OZ 3. Write equations showing the reaction of the buffer with HCl and then with OH.
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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Write equations showing the reaction of the buffer, HC2H3O2,
With HCl
And then with OH-
Transcribed Image Text:3. Are any samples neutral? Explain how you know this.
Hzo is neutial due to no conductiurty c
red and blue litmus don't change color,
and colorless pheno test.
Fuffers
Sample
Initial pH
pH after addition of
0.1 M HCI
0.1 M aOH
Water (1)
13.0
1.0
0.9
7,0
HC,H,0, (aq)
Sediem Acetate (aq)
ろて
9.5
4.8
8,5
13.1
4.9
HC,H,O, (aq)/SR
Acetate (aq)
4.7
1. What is the purpose of a buffer?
to minimize the change in pH when you
a strong acid or bbase. Keeps the ptines
where it Started.
2. Which of the samples above is a buffer?
HCz H3O
3.
Write equations showing the reaction of the buffer with HCl and then with OH.
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