Ca2+ Unknown # 42 Bright orange Briglo orange Based on your observations, what is the identity of the cation in your unknown? 42 Unknown # Identity_ DATA TABLE. PART II: BEER'S LAW 6 Ca² 2+ Trial Concentration (mol/L) Absorbance 1 0.016M 0,521 and 2 0.032M 0.809 Star 3 0.048M 0.888 W 4 0.064M 0.892 pea 5 6 0.08 M Unknown number 42 1.345 0.797 Eng 1. Take your data home and use EXCEL to prepare a Beer's Law plot of the data from your standards (Trials 1-5). You should plot Absorbance on the "y" axis and concentration on the "x" axis. Include a print out of your graph with your report. 2. Add a trend line to your graph in the same way that you added the trend line to the graph you prepared in your density experiment (EXP 1). Be sure to show the equation the line on your graph. 3. Utilize your graph to determine the concentration of your unknown copper sulfate solution. Show how you did this on your graph. Unknown Concentration from Graph. M 4. Use the equation of the line on your graph to determine the concentration of your unknown copper sulfate solution. Show your work below. Unknown concentration from linear equation M
Ca2+ Unknown # 42 Bright orange Briglo orange Based on your observations, what is the identity of the cation in your unknown? 42 Unknown # Identity_ DATA TABLE. PART II: BEER'S LAW 6 Ca² 2+ Trial Concentration (mol/L) Absorbance 1 0.016M 0,521 and 2 0.032M 0.809 Star 3 0.048M 0.888 W 4 0.064M 0.892 pea 5 6 0.08 M Unknown number 42 1.345 0.797 Eng 1. Take your data home and use EXCEL to prepare a Beer's Law plot of the data from your standards (Trials 1-5). You should plot Absorbance on the "y" axis and concentration on the "x" axis. Include a print out of your graph with your report. 2. Add a trend line to your graph in the same way that you added the trend line to the graph you prepared in your density experiment (EXP 1). Be sure to show the equation the line on your graph. 3. Utilize your graph to determine the concentration of your unknown copper sulfate solution. Show how you did this on your graph. Unknown Concentration from Graph. M 4. Use the equation of the line on your graph to determine the concentration of your unknown copper sulfate solution. Show your work below. Unknown concentration from linear equation M
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter11: Intermolecular Forces And Liquids
Section11.6: Properties Of Liquids
Problem 1.2ACP
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