P Chem Lab 5
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V{Fe 3+} (ml) Sample # [Fe 3+] (M)
1/[Fe 3+] (L/N)
1
5 5 5
1 2 3
0 0 0 0
2
6 6 6
1 2 3
0 0 0
3
7 7 7
1 2 3
0 0 0
4
8 8 8
1 2 3
0 0 0
5
9 9 9
1 2 3
0 0 0
6
10 10 10
1 2 3
0 0 0
558.66
STDev= 465.55
STDev= 399.04
STDev= 349.16
STDev= 310.37
STDev= 279.33
STDev= 7
11 11 11
1 2 3
0 0 0
8
12 12 12
1 2 3
0 0 0
9
13 13 13
1 2 3
0 0 0
10
14 14 14
1 2 3
0.01 0.01 0.01
253.94
STDev= 232.77
STDev= 214.87
STDev= 199.52
STDev=
A400 0 0.19 0.19 0.19 3.06E-04 0.22 0.22 0.22 3.06E-04 0.24 0.24 0.24 1.20E-03 0.26 0.26 0.26 1.56E-03 0.28 0.28 0.29 1.04E-03 0.3 0.31 0.3 1.51E-03 0.32 0.32 0.32 9.87E-04 0.34 0.34 0.35 3.05E-03 0.36 0.36 0.36 5.29E-04 0.37 0.36 0.36 1.67E-03
A455 0 0.39 0.39 0.39 4.00E-04 0.45 0.45 0.45 1.53E-04 0.5 0.5 0.5 2.17E-03 0.54 0.54 0.54 2.14E-03 0.58 0.59 0.58 1.94E-03 0.63 0.63 0.62 2.48E-03 0.67 0.67 0.67 1.04E-03 0.7 0.71 0.71 3.93E-03 0.73 0.73 0.73 1.76E-03 0.75 0.75 0.75 2.06E-03
A500 0.29 0.29 0.29 2.65E-04 0.33 0.33 0.33 3.00E-04 0.37 0.37 0.37 1.88E-03 0.4 0.4 0.4 2.77E-03 0.43 0.43 0.43 7.57E-04 0.46 0.47 0.46 2.69E-03 0.49 0.5 0.49 2.01E-03 0.52 0.52 0.53 3.63E-03 0.54 0.54 0.54 1.00E-03 0.56 0.55 0.55 3.03E-03
[SCN-] / A400 [SCN-] / A455
[SCN-] / A500
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
[SCN-] stock (M) [Fe 3+] stock 0 0.0179 M
[SCN-]Total/Aλ vs. 1/[Fe 3+]total 0
0.8 0.7 [SCN-] / A400
0
[SCN-] / A455 [SCN-] / A500 Linear regression, [SCN-] / A400 Linear regression, [SCN-] / A455 Linear regression, [SCN-] / A500
0 0 0 0 0 0 0
100
200
300 1/[Fe 3+]total
400
500
600
0.6 Absorbance ()
[SCN-]Total/Aλ
0
0.5 0.4 0.3 0.2 0.1 0 0
[Fe 3+] vs Absorbance 0.8 0.7 Absorbance ()
0.6 0.5 A400 A455 A500
0.4 0.3 0.2 0.1 0 0
0
0
0
0
0
0
[Fe 3+] (M)
0
0
0
0.01
0.01
1/[Fe 3+] (L/N)
1
5 5 5
1 2 3
0 0 0 0
2
6 6 6
1 2 3
0 0 0
3
7 7 7
1 2 3
0 0 0
4
8 8 8
1 2 3
0 0 0
5
9 9 9
1 2 3
0 0 0
6
10 10 10
1 2 3
0 0 0
558.66
STDev= 465.55
STDev= 399.04
STDev= 349.16
STDev= 310.37
STDev= 279.33
STDev= 7
11 11 11
1 2 3
0 0 0
8
12 12 12
1 2 3
0 0 0
9
13 13 13
1 2 3
0 0 0
10
14 14 14
1 2 3
0.01 0.01 0.01
253.94
STDev= 232.77
STDev= 214.87
STDev= 199.52
STDev=
A400 0 0.19 0.19 0.19 3.06E-04 0.22 0.22 0.22 3.06E-04 0.24 0.24 0.24 1.20E-03 0.26 0.26 0.26 1.56E-03 0.28 0.28 0.29 1.04E-03 0.3 0.31 0.3 1.51E-03 0.32 0.32 0.32 9.87E-04 0.34 0.34 0.35 3.05E-03 0.36 0.36 0.36 5.29E-04 0.37 0.36 0.36 1.67E-03
A455 0 0.39 0.39 0.39 4.00E-04 0.45 0.45 0.45 1.53E-04 0.5 0.5 0.5 2.17E-03 0.54 0.54 0.54 2.14E-03 0.58 0.59 0.58 1.94E-03 0.63 0.63 0.62 2.48E-03 0.67 0.67 0.67 1.04E-03 0.7 0.71 0.71 3.93E-03 0.73 0.73 0.73 1.76E-03 0.75 0.75 0.75 2.06E-03
A500 0.29 0.29 0.29 2.65E-04 0.33 0.33 0.33 3.00E-04 0.37 0.37 0.37 1.88E-03 0.4 0.4 0.4 2.77E-03 0.43 0.43 0.43 7.57E-04 0.46 0.47 0.46 2.69E-03 0.49 0.5 0.49 2.01E-03 0.52 0.52 0.53 3.63E-03 0.54 0.54 0.54 1.00E-03 0.56 0.55 0.55 3.03E-03
[SCN-] / A400 [SCN-] / A455
[SCN-] / A500
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
[SCN-] stock (M) [Fe 3+] stock 0 0.0179 M
[SCN-]Total/Aλ vs. 1/[Fe 3+]total 0
0.8 0.7 [SCN-] / A400
0
[SCN-] / A455 [SCN-] / A500 Linear regression, [SCN-] / A400 Linear regression, [SCN-] / A455 Linear regression, [SCN-] / A500
0 0 0 0 0 0 0
100
200
300 1/[Fe 3+]total
400
500
600
0.6 Absorbance ()
[SCN-]Total/Aλ
0
0.5 0.4 0.3 0.2 0.1 0 0
[Fe 3+] vs Absorbance 0.8 0.7 Absorbance ()
0.6 0.5 A400 A455 A500
0.4 0.3 0.2 0.1 0 0
0
0
0
0
0
0
[Fe 3+] (M)
0
0
0
0.01
0.01
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