1 Suh
Name: Sang Mi Suh
Date:
Partners: Courtney, Erick
Water Type: New De-I
Spec A # 100052004
Spec B # 1000301252
Spec C # 1000361254
Stock Solution Preparation
1/2/2018
2:00 PM
.0158 g
25 mL
.004 M
6M
1 mL
Date Stock Solution Made:
Time:
Mass of KMnO4:
Volume of Stock Solution:
Concentration of Stock Solution:
Molarity of H2SO4:
Volume of 3 M or 6 M H2SO4:
Absorbance Spectra
Date: 1/4/2018
Time: 5:16 PM
Spec (A, B or C): B
Days After Stock Solution Made: 2 Days
Concentration: 0.00016 M
Wavelength
Transmittance
Absorbance
400
420
440
460
480
500
520
540
560
580
600
620
640
660
680
700
92
92.4
90
83
70.6
57.4
50
52.2
64.6
81
87.6
89.2
90.2
91.2
92.2
92.8
0.0362
0.0343
0.0458
0.0809
0.1512
0.2411
0.3010
0.2823
0.1898
0.0915
0.0575
0.0496
0.0448
0.0400
0.0353
0.0325
Concentration: 0.000064 M
Wavelength Transmittance Absorbance
400
420
440
460
480
500
520
540
560
580
600
620
640
660
680
700
94.2
94.2
93.4
91
86.8
81.2
78
79.4
85.4
82.2
95.2
96
96.2
96.8
97.2
97.4
0.0259
0.0259
0.0297
0.0410
0.0615
0.0904
0.1079
0.1002
0.0685
0.0851
0.0214
0.0177
0.0168
0.0141
0.0123
0.0114
1 Suh
Concentration: 0.000032 M
Wavelength Transmittance Absorbance
400
420
440
460
480
500
520
540
560
580
600
620
640
660
680
700
97.6
97.4
97.6
97.6
97.8
98.2
98.4
98.8
98.8
99
98.6
99.4
99.4
99.6
99.2
99.6
0.0106
0.0114
0.0106
0.0106
0.0097
0.0079
0.0070
0.0052
0.0052
0.0044
0.0061
0.0026
0.0026
0.0017
0.0035
0.0017
Absorbance Graph(s)
1 Suh
Data Collection
Day: 1
Date: 1/2/2018
Wavelength: 523 nm
Time spectrophotometers turned on: 4:05 PM
Concentration
(M)
Spec
Time
(Trial 1)
Transmittance
(Trial 1)
Absorbance
(Trial 1)
0.00016
A
B
C
5:51 PM
5:51 PM
5:51 PM
43.4
39.6
41.2
0.3625
0.4023
0.3846
0.000064
A
B
C
5:50 PM
5:50 PM
5:50 PM
72.2
70.4
71.2
0.1415
0.1524
0.1472
0.000032
A
B
C
5:49 PM
5:49 PM
5:49 PM
87.4
87.0
87.6
0.0585
0.0605
0.0575
Time
(Trial 2)
Transmittance Absorbance
(Trial 2)
(Trial 2)
Day: 2
Date: 1/3/2018
Wavelength: 523 nm
Time spectrophotometers turned on: 9:15 AM & 1:02 PM
Concentration
(M)
Spec
Time
(Trial 1)
Transmittance
(Trial 1)
Absorbance
(Trial 1)
Time
(Trial 2)
Transmittance Absorbance
(Trial 2)
(Trial 2)
0.00016
A
B
C
10:55 AM
10:55 AM
10:55 AM
45.2
41.8
43.2
0.3449
0.3788
0.3645
2:09 PM
2:09 PM
2:09 PM
46.2
42.4
43.8
0.3354
0.3726
0.3585
0.000064
A
B
C
10:52 AM
10:52 AM
10:52 AM
75.6
73.6
74.6
0.1215
0.1331
0.1273
2:06 PM
2:06 PM
2:06 PM
76.2
74.2
75.0
0.1180
0.1296
0.1249
0.000032
A
B
C
10:50 AM
10:50 AM
10:50 AM
93.2
93.2
93.4
0.0306
0.0306
0.0297
2:05 PM
2:05 PM
2:05 PM
96.2
95.6
95.6
0.0168
0.0195
0.0195
1 Suh
Day: 3
Date: 1/4/2018
Wavelength: 523 nm
Time spectrophotometers turned on: 10:05 AM &1:20 PM
Concentration
(M)
0.00016
Spec
Time
(Trial 1)
Transmittance
(Trial 1)
Absorbance
(Trial 1)
Time
(Trial 2)
Transmittance Absorbance
(Trial 2)
(Trial 2)
A
B
C
10:55 AM
10:55 AM
10:55 AM
46.8
43.4
44.8
0.3298
0.3625
0.3487
3:06 PM
3:06 PM
3:06 PM
48.0
44.8
46.0
0.3188
0.3487
0.3372
0.000064
A
B
C
10:53 AM
10:53 AM
10:53 AM
76.4
74.8
75.8
0.1169
0.1261
0.1203
3:04 PM
3:04 PM
3:04 PM
78.2
76.8
77.4
0.1068
0.1146
0.1113
0.000032
A
B
C
10:51 AM
10:51 AM
10:51 AM
98.4
98.4
98.6
0.0070
0.0070
.0061
3:02 PM
3:02 PM
3:02 PM
98.6
98.6
98.6
0.0061
0.0061
0.0061
Day: 4
Date: 1/9/2018
Wavelength: 523 nm
Time spectrophotometers turned on: 4:15 PM
Concentration
(M)
0.00016
Spec
Time
Transmittance
Absorbance
A
B
C
5:04 PM
5:04 PM
5:04 PM
74.6
74.6
74.8
0.1273
0.1273
0.1261
0.000064
A
B
C
5:02 PM
5:02 PM
5:02 PM
92.0
91.6
91.8
0.0362
0.0381
0.0372
0.000032
A
B
C
5:00 PM
5:00 PM
5:00 PM
99.8
99.6
99.4
0.0009
0.0017
0.0026
1 Suh
Day: 5
Date: 1/10/2018
Wavelength: 523 nm
Time spectrophotometers turned on: 3:15 PM
Concentration
(M)
0.00016
Spec
Time
Transmittance
Absorbance
A
B
C
4:58 PM
4:58 PM
4:58 PM
78.6
78.4
78.0
0.1046
0.1057
0.1079
0.000064
A
B
C
4:56 PM
4:56 PM
4:56 PM
92.0
92.2
92.0
0.0362
0.0353
0.0362
0.000032
A
B
C
4:54 PM
4:54 PM
4:54 PM
98.2
98.0
97.6
0.0079
0.0088
0.0106
Duration
(Days)
Average
Change
(%)
Data Analysis
Concentration
(M)
Spec
Change
(%)
0.00016
A
B
C
81.1060
97.9798
89.3204
89.4687
0.000064
A
B
C
27.4238
30.9659
29.2135
29.2011
0.000032
A
B
C
12.3570
12.6437
11.4155
12.1387
Notes (optional)
-
My .000032 M Spectra is off, I do not know why that is.
1 Suh
-
Reflux condenser for temperature controlled experiment