Given the following data and the Amax determined in the previous questions, determine: 1) the molar absorptivity of copper at Amax of cobalt 2) the molar absorptivity of copper at Àmax of copper 3) the molar absorptivity of cobalt at Amax of cobalt 4) the molar absorptivity of copper at Amax of cobalt 5) the concentration of cobalt in mM 6) the concentration of copper in mM Сopper concentration, mM 20.00 40.00 60.00 80.00 100.00 Amax cobalt amax copper 0.177 0.382 0.518 0.765 0.902 0.238 0.487 0.731 1.134 1.391 Cobalt Amax cobaltAmax copper 0.186 0.412 concentration, mM 20.00 40.00 60.00 80.00 100.00 0.163 0.354 0.477 0.694 0.831 0.637 0.754 0.961

Fundamentals Of Analytical Chemistry
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Chapter20: Applications Of Oxidation/reduction Titrations
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QUESTION 3
Given the following data and the Amax determined in the previous questions, determine:
1) the molar absorptivity of copper at Amax of cobalt
2) the molar absorptivity of copper at Amax of copper
3) the molar absorptivity of cobalt at Amax of cobalt
4) the molar absorptivity of copper at Amax of cobalt
5) the concentration of cobalt in mM
6) the concentration of copper in mM
Copper
Amax cobalt max copper
concentration, mM
20.00
0.177
0.238
40.00
0.382
0.487
60.00
0.518
0.731
80.00
0.765
1.134
100.00
0.902
1.391
Cobalt
concentration, mM
Amax cobalt Amax copper
20.00
0.186
0.163
0.412
0.637
40.00
0.354
60.00
0.477
80.00
0.754
0.694
100.00
0.961
0.831
unknown, Abs at Amax cobalt
unknown, Abs at Amax copper
0.893
0.997
Transcribed Image Text:QUESTION 3 Given the following data and the Amax determined in the previous questions, determine: 1) the molar absorptivity of copper at Amax of cobalt 2) the molar absorptivity of copper at Amax of copper 3) the molar absorptivity of cobalt at Amax of cobalt 4) the molar absorptivity of copper at Amax of cobalt 5) the concentration of cobalt in mM 6) the concentration of copper in mM Copper Amax cobalt max copper concentration, mM 20.00 0.177 0.238 40.00 0.382 0.487 60.00 0.518 0.731 80.00 0.765 1.134 100.00 0.902 1.391 Cobalt concentration, mM Amax cobalt Amax copper 20.00 0.186 0.163 0.412 0.637 40.00 0.354 60.00 0.477 80.00 0.754 0.694 100.00 0.961 0.831 unknown, Abs at Amax cobalt unknown, Abs at Amax copper 0.893 0.997
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