heres the dataTZ #ConcentrationAbsorbance at 430 nmnm133.64800.931225.23600.757316.84200.21048.412000.13754.206000.122 Using the Beer's Law plot constructed for TZ at 430 nm, please report the effective molar absorptivity (ε*, L/μmol), which is the slopeof the linear trendline through the data.ε*, L/μmolUnrounded3Rounded3 Absorbance0.80.60.40.25Beer's Law Plot of TZ at 430 nm1015430 nm: y = 0.0259825 x20Concentration (μM)253035

Answered: Using the Beer's Law plot constructed…

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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heres the data

TZ #	Concentration	Absorbance at 430 nmnm
1	33.6480	0.931
2	25.2360	0.757
3	16.8420	0.210
4	8.41200	0.137
5	4.20600	0.122

Using the Beer's Law plot constructed for TZ at 430 nm, please report the effective molar absorptivity (ε*, L/μmol), which is the slope
of the linear trendline through the data.
ε*, L/μmol
Unrounded
3
Rounded
3

Absorbance
0.8
0.6
0.4
0.2
5
Beer's Law Plot of TZ at 430 nm
10
15
430 nm: y = 0.0259825 x
20
Concentration (μM)
25
30
35

Expert Solution

Step 1: Introduce to Beer's law

According to Beer's law

when a monochromatic light is passed through a transparent solution, then the absorbance of the solution is directly proportional to the concentration of the solution.

Mathematically,

$A b s o r b a n c e space space A space proportional to space c o n c e n t r a t i o n space c A b s o r b a n c e space equals m o l a r space a b s o r p t i v i t y space space epsilon cross times c o n c e n t r a t i o n space c A equals space epsilon cross times c$

Here we are required to find the effective molar absorptivity obtained from the graph of absorbance vs concentration

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