Plot the titration curve as pH vs. mL of NaOH added using a computer graphing program. Make sure you have chosen the correct X and Y axes. Please include gridlines and print out a 8 ½ x 11 plot. You must attach the graph to the Lab Report. Locate the equivalence point(s) on the titration curve. It is very unlikely that the equivalence point(s) will be actual data points. You will need to either manually draw a smooth curve connecting your data points, or select the option in your graphing program that will draw the best-fit curve for you. Then find the steepest point(s) on the curve. This is/these are the equivalence point(s). Label the equivalence point(s) on the curve. (For polyprotic acids, label all the equivaence points.) How many equivalence points does your graph show? 4. Recall that at the first equivalence point, moles of acid = moles of base added. Volume of NaOH added at the first equivalence point: Moles of NaOH added at the first equivalence point:
Plot the titration curve as pH vs. mL of NaOH added using a computer graphing program. Make sure you have chosen the correct X and Y axes. Please include gridlines and print out a 8 ½ x 11 plot. You must attach the graph to the Lab Report. Locate the equivalence point(s) on the titration curve. It is very unlikely that the equivalence point(s) will be actual data points. You will need to either manually draw a smooth curve connecting your data points, or select the option in your graphing program that will draw the best-fit curve for you. Then find the steepest point(s) on the curve. This is/these are the equivalence point(s). Label the equivalence point(s) on the curve. (For polyprotic acids, label all the equivaence points.) How many equivalence points does your graph show? 4. Recall that at the first equivalence point, moles of acid = moles of base added. Volume of NaOH added at the first equivalence point: Moles of NaOH added at the first 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:Plot the titration curve as pH vs. mL of NaOH added using a computer graphing program. Make sure
you have chosen the correct X and Y axes. Please include gridlines and print out a 8 ½ x 11 plot. You
must attach the graph to the Lab Report.
..Locate the equivalence point(s) on the titration curve. It is very unlikely that the equivalence point(s)
will be actual data points. You will need to either manually draw a smooth curve connecting your data
points, or select the option in your graphing program that will draw the best-fit curve for you. Then find
the steepest point(s) on the curve. This is/these are the equivalence point(s). Label the equivalence
point(s) on the curve. (For polyprotic acids, label all the equivaence points.)
3. How many equivalence points does your graph show?
4. Recall that at the first equivalence point, moles of acid = moles of base added.
Volume of NaOH added at the first equivalence point:
Moles of NaOH added at the first equivalence point:
Volume of NaOH added at the Second equivalence point (if your unknown is polyprotic)
Transcribed Image Text:Data Sheet:
Unknown acid #9
Mass of the Unknown acid:
(letter or number on the unknown bottle)
Volume NaOH added
pH
0.5ml 364 3.26
mi
3.69 3:24
3:26
TEST
2.0ml
2.5ml
3.0ml
3.5ml
tom?
4.5ml
5.0ml
tus's
6.0m)
6.5ml
1.0m)
7.5ml
8.5ml
9.0m
9.5m1
100ml
10.5 ml
11.0m
11.5MI
12.0ml
12.5 ml
13.0 ml
B.5 ml
14.0 ml
145 ml
2 Concentration of NaOH(aq):
0.209
15.0 ml
3:28
3:28
3:30
3:35
3:44
3,39
TSE est
3.54
3.58
3.64
3.72
3.80
3.867
3.93
$ 4.00
4.061
4:13
473 4.20
4.28 T
4.35
4.43
4.46
4.64
4.83
5.05
2.93
9.91
Volume NaOH added
15.5ml
16.0 ml
16.5ml
17.0m1
17.5ml
0.0995M
pH
10.63
10:03
11.25
11.37
11.50
4
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