Supplemental Question Q8 (to be answered under section C) Regarding your answers in the fifth column of the two tables in section C (i.e., C.1 and C.2), what was your rationale in stating whether or not each solution was a buffer? (In other words, explain in which case you stated “yes" and in which case you stated “no".)
Supplemental Question Q8 (to be answered under section C) Regarding your answers in the fifth column of the two tables in section C (i.e., C.1 and C.2), what was your rationale in stating whether or not each solution was a buffer? (In other words, explain in which case you stated “yes" and in which case you stated “no".)
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:C. Effect of Buffers on pH
2. pH after
5 drops
3. pH after
10 drops
1. Initial
4. рH
change
Solution
pH
5. Buffer
of HCI
of HCI
yes or no?
H,0
Co.5
1.3
1.1
5,4
0.1 M NaCl
Co.2
1.4
1.1
No
ら1
No
High pH
buffer
Low pH
buffer
9.6
9.4
10.0
6.6
Yes
0.3
4.0
3.8
3.7
Yes
C.2 Effect of adding base
1. Initial
2. pH after
5 drops
3. pH after
10 drops
Solution
4. pH
change
5. Buffer yes
pH
or no?
of NaOH
of NaOH
H;O
6.5
12-7
13.0
Cor5
NO
0.1 M NaCl
C6.2
12-5
13.0
6.8
NO
High pH
buffer
10.0
10:2
0.3
10.3
yes
Low pH
4.0
4.3
니 '니
0.4
yes
buffer

Transcribed Image Text:Supplemental Question Q8 (to be answered under section C)
Regarding your answers in the fifth column of the two tables in section C (i.e., C.1 and
C.2), what was your rationale in stating whether or not each solution was a buffer?
(In other words, explain in which case you stated “yes" and in which case you stated “no".)
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