Solution 1 Number Volume 10.0 9.5 9.0 8.0 6.0 HOAc (mL) Volume NaO Ac (mL) Volume Total (mL) Calculated pH* Observed pH pH after HCI 0.0 2 :pH of acetic acid/sodium acetate solutions 4 3 5 6 7 8 9 0.5 1.0 2.0 4.0 5.0 6.0 5.95 3.91 3.(do 41,40 14.54 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 H₂O 10.0 X 5.06 5.0 4.0 2.0 1.0 0.5 0.0 0.0 3.431 2.15 3.50 The equation pH=pKa + log [A-]/[HA] *Perform this calculation before coming to class. 5.28 8.0 5.46 15.00/5.20 5.357 10 11 12 5.93 15.83 9.0 9.5 10.0 0.0 16.28 661 6.18 6.34 19.13/ 16.733.00
Solution 1 Number Volume 10.0 9.5 9.0 8.0 6.0 HOAc (mL) Volume NaO Ac (mL) Volume Total (mL) Calculated pH* Observed pH pH after HCI 0.0 2 :pH of acetic acid/sodium acetate solutions 4 3 5 6 7 8 9 0.5 1.0 2.0 4.0 5.0 6.0 5.95 3.91 3.(do 41,40 14.54 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 H₂O 10.0 X 5.06 5.0 4.0 2.0 1.0 0.5 0.0 0.0 3.431 2.15 3.50 The equation pH=pKa + log [A-]/[HA] *Perform this calculation before coming to class. 5.28 8.0 5.46 15.00/5.20 5.357 10 11 12 5.93 15.83 9.0 9.5 10.0 0.0 16.28 661 6.18 6.34 19.13/ 16.733.00
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
What is the calculated pH for values given on the table?
![Solution
Number
Volume 10.0 9.5 9.0 8.0 6.0 5.0 4.0 2.0 1.0 0.5 0.0 0.0
HOAc (mL)
Volume
6.0
8.0 9.0 9.5 10.0
NaOAc
(mL)
Volume
Total (mL)
Calculated
pH*
Observed
pH
pH after
HCI
1
Table 1: pH of acetic acid/sodium acetate solutions
3
2
4
5
6
7
8
9
0.0
0.5 1.0
15.95
2.0
3091
4.0
(4.54
3.6dd/ 41.40
10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 H₂O
10.0
X
5.0
15.06
5.00/5.20
3.43
2.15
The equation pH=pKa + log [A-]/[HA]
*Perform this calculation before coming to class.
3.50
5.28
5.46
5.35
5.93
10 11 12
15.83
0.0
8,29
19.13/
6.733.00
6.18 6.34](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F45eb11c1-9e59-4b67-b646-ad2fc3da926d%2Fbfe8493a-d685-4f02-9147-91812e527cd2%2Fv52lmdyn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Solution
Number
Volume 10.0 9.5 9.0 8.0 6.0 5.0 4.0 2.0 1.0 0.5 0.0 0.0
HOAc (mL)
Volume
6.0
8.0 9.0 9.5 10.0
NaOAc
(mL)
Volume
Total (mL)
Calculated
pH*
Observed
pH
pH after
HCI
1
Table 1: pH of acetic acid/sodium acetate solutions
3
2
4
5
6
7
8
9
0.0
0.5 1.0
15.95
2.0
3091
4.0
(4.54
3.6dd/ 41.40
10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 H₂O
10.0
X
5.0
15.06
5.00/5.20
3.43
2.15
The equation pH=pKa + log [A-]/[HA]
*Perform this calculation before coming to class.
3.50
5.28
5.46
5.35
5.93
10 11 12
15.83
0.0
8,29
19.13/
6.733.00
6.18 6.34
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