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Absorbance 05 0.45 04 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 200 Absorption Spectrum of CoCl₂(aq) 300 400 500 Wavelength (nm) Figure 1: Absorption Profile for cobalt (II) chloride¹ 600 700 800 Absorbance 0.6 0.5 04 0.3 0.2 0.1 0 max y=4.8571x+0.0038 0.05 Concentration (M) 01 Figure 2: Cobalt (II) chloride standard curve (Beer's Law Plot) ¹www.ucirvine.instructre.com 2. Place an arrow at the maximum absorbance and extrapolate the wavelength max. max = include the unit). (be sure 3. Determine by concentration of an unknown solution of cobalt (II) chloride having an absorbance of 0.25. a. Method 1: Extrapolation (mark the concentration on the plot) b. Method 2: Calculation (show your work)

Absorbance 05 0.45 04 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 200 Absorption Spectrum of CoCl₂(aq) 300 400 500 Wavelength (nm) Figure 1: Absorption Profile for cobalt (II) chloride¹ 600 700 800 Absorbance 0.6 0.5 04 0.3 0.2 0.1 0 max y=4.8571x+0.0038 0.05 Concentration (M) 01 Figure 2: Cobalt (II) chloride standard curve (Beer's Law Plot) ¹www.ucirvine.instructre.com 2. Place an arrow at the maximum absorbance and extrapolate the wavelength max. max = include the unit). (be sure 3. Determine by concentration of an unknown solution of cobalt (II) chloride having an absorbance of 0.25. a. Method 1: Extrapolation (mark the concentration on the plot) b. Method 2: Calculation (show your work)

Chemistry
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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Absorbance 0.5 0.45 04 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 200 Absorption Spectrum of CoCl₂(aq) 300 400 600 500 Wavelength (nm) Figure 1: Absorption Profile for cobalt (II) chloride¹ 700 800 Absorbance 06 0.5 04 0.3 0.2 0.1 0 Beer 0 max y=4.8571x+00038 0.05 Concentration (M) 01 Figure 2: Cobalt (II) chloride standard curve (Beer's Law Plot) ¹www.ucirvine.instructre.com 2. Place an arrow at the maximum absorbance and extrapolate the wavelength max. Amax = include the unit). (be sure 3. Determine by concentration of an unknown solution of cobalt (II) chloride having an absorbance of 0.25. a. Method 1: Extrapolation (mark the concentration on the plot) b. Method 2: Calculation (show your work)
Transcribed Image Text:Absorbance 0.5 0.45 04 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 200 Absorption Spectrum of CoCl₂(aq) 300 400 600 500 Wavelength (nm) Figure 1: Absorption Profile for cobalt (II) chloride¹ 700 800 Absorbance 06 0.5 04 0.3 0.2 0.1 0 Beer 0 max y=4.8571x+00038 0.05 Concentration (M) 01 Figure 2: Cobalt (II) chloride standard curve (Beer's Law Plot) ¹www.ucirvine.instructre.com 2. Place an arrow at the maximum absorbance and extrapolate the wavelength max. Amax = include the unit). (be sure 3. Determine by concentration of an unknown solution of cobalt (II) chloride having an absorbance of 0.25. a. Method 1: Extrapolation (mark the concentration on the plot) b. Method 2: Calculation (show your work)
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