Beer's law plot for a dilute solution

Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter11: Solutions And Colloids
Section: Chapter Questions
Problem 3E: When KNO3 is dissolved in water, the resulting solution is significantly colder than the water was...
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Absorbance
Absorbance
of unknown
substance
Absorbance of solutions
of known concentration
O
Concentration
of unknown
substance
Concentration (mol/L)
Figure 2. A typical Beer's law plot for a dilute solution
Transcribed Image Text:Absorbance Absorbance of unknown substance Absorbance of solutions of known concentration O Concentration of unknown substance Concentration (mol/L) Figure 2. A typical Beer's law plot for a dilute solution
Brand name of soft drink analyzed
pepsi
Concentration of undiluted standard phosphate solution, M 33×/03 M
Solution
Number
%T
Absorbance
1
5%
1.6
2
3%
1.5
3
1%
1. S
4
0.5%
1
Soft drink (dilute)
31%
*Concentration from Beer's law plot. See Figure 2.
0.5/0
*
Phosphate Concentration,
mol/L
6.00 x 10-5
9.00 x 10-5
1.20 x 10-5
1·50×10-5
Color!
Transcribed Image Text:Brand name of soft drink analyzed pepsi Concentration of undiluted standard phosphate solution, M 33×/03 M Solution Number %T Absorbance 1 5% 1.6 2 3% 1.5 3 1% 1. S 4 0.5% 1 Soft drink (dilute) 31% *Concentration from Beer's law plot. See Figure 2. 0.5/0 * Phosphate Concentration, mol/L 6.00 x 10-5 9.00 x 10-5 1.20 x 10-5 1·50×10-5 Color!
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