The absorbance (A) of a solution is related to its concentration (C) according to the Beer-Lambert Law: A = ε C. The following graph was obtained in a Kool-Aid # 40 red dye solution experiment. State the value of the dye absorptivity coefficient, ε

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Answer the question using the point-slope equation obtained from the graphs.
 
1. The absorbance (A) of a solution is related to its concentration (C) according to the Beer-Lambert Law: A = ε C. The following graph was obtained in a Kool-Aid # 40 red dye solution experiment. State the value of the dye absorptivity coefficient, ε
Absorbance versus Concentration
0.8
0.7
0.6
0.5
0.4
y = 1210.2 x -0.0187
0.3
0.2
0.1
0.00E+00
1.00E-04
2.00E-04
3.00E-04
4.00E-04
5.00E-04
6.00E-04
7.00E-04
Concentration of Red Dye #40 (M)
Absorbance at 640 nm
Transcribed Image Text:Absorbance versus Concentration 0.8 0.7 0.6 0.5 0.4 y = 1210.2 x -0.0187 0.3 0.2 0.1 0.00E+00 1.00E-04 2.00E-04 3.00E-04 4.00E-04 5.00E-04 6.00E-04 7.00E-04 Concentration of Red Dye #40 (M) Absorbance at 640 nm
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