Post-lab: plot pH values (y-axis) against total volume of added NaOH. From the graph find equivalence point, determine pH at half-equivalence point. Calculate Ka value of the unknown weak acid. Show calculations, include in your lab report.
Post-lab: plot pH values (y-axis) against total volume of added NaOH. From the graph find equivalence point, determine pH at half-equivalence point. Calculate Ka value of the unknown weak acid. Show calculations, include in your lab report.
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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This my graph and data, help me find the
1) half equivalent point from the graph(a and b)
2)The Ph of the half equivalent point from the graph (a and b)
3) calculate each ka (a and b)
Transcribed Image Text:Etc.
Post-lab: plot pH values (y-axis) against total volume of
added NaOH. From the graph find equivalence point,
determine pH at half-equivalence point. Calculate Ka
value of the unknown weak acid. Show calculations,
include in your lab report.
Transcribed Image Text:Pan
Oerva W HA M d
Ohaios aH Heten T v MaOH
344
344
18
55
20
1.0
4.0
sa
14
18
11
12
18
110
13
.20
13
1.0
124
14
10
13.0
13
10
140
T
14a
18
18
10
17
0.2
02
B34
144
1142
observed pH par rapport à Total Val of
NeOH ml
observed pH par rapport a Tatal Vol of NaOH mL
17
20
40 a0 Ro 100
120 14 1I50
1D
15
Tot Vela Naal(iaddee
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