The absorbance of known concentration of a metal complex is obtained by UV-vis Time left 0:47:51 spectrophotometer. The results are tabulated: conc 0.2 0.3 0.4 0.5 Calculate the concentration of an unknown sample of the complex that has an absorbance of 0.51 a. 0.44 b. 0.36 c. 0.40 d. 0.38 e. 0.42 Consider the following data to determine the molar entropy AS: Temp (°C) 20 40 60 80 b. Kea 0.3 0.55 0.85 1.3 a. 25.69 J/K.mol d. abs 0.27 0.41 0.55 0.69 61.28 J/K.mol 7.38 J/K.mol 94.36 J/K.mol e. 301.40 J/K.mol

Appl Of Ms Excel In Analytical Chemistry
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Chapter12: Spectrochemical Methods
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The absorbance of known concentration of a metal complex is obtained by UV-vis Time left 0:47:51
spectrophotometer. The results are tabulated:
conc
0.2
0.3
0.4
0.5
Calculate the concentration of an unknown sample of the complex that has an absorbance of 0.51
a. 0.44
b. 0.36
c. 0.40
d. 0.38
e. 0.42
Consider the following data to determine the molar entropy AS:
Temp (°C)
20
40
60
80
abs
0.27
0.41
0.55
0.69
C.
0.3
0.55
0.85
1.3
a. 25.69 J/K.mol
b. 61.28 J/K.mol
d.
7.38 J/K.mol
94.36 J/K.mol
e. 301.40 J/K.mol
Transcribed Image Text:The absorbance of known concentration of a metal complex is obtained by UV-vis Time left 0:47:51 spectrophotometer. The results are tabulated: conc 0.2 0.3 0.4 0.5 Calculate the concentration of an unknown sample of the complex that has an absorbance of 0.51 a. 0.44 b. 0.36 c. 0.40 d. 0.38 e. 0.42 Consider the following data to determine the molar entropy AS: Temp (°C) 20 40 60 80 abs 0.27 0.41 0.55 0.69 C. 0.3 0.55 0.85 1.3 a. 25.69 J/K.mol b. 61.28 J/K.mol d. 7.38 J/K.mol 94.36 J/K.mol e. 301.40 J/K.mol
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