143 Chemistry I Laboratory Manual, 2019 Revision 5) The following data were collected at 640 nm for a certain food coloring agent. Concentration, mM Absorbance to 00 0.102 0.193 0.289 0.397 000 5.00 0.503 (a) Plot the data using Microsoft Excel and draw a best fit line using the Trendline function. Turn the plot in with your lab. (b) What is the concentration of the dye in a solution with a percent transmittance reading of 38.2% at 640 nm? (c) If the solution in Part B was made by taking 10.00 mL of a stock solution and diluting it to 100.00 mL, what is the concentration of the dye in the stock solution?
143 Chemistry I Laboratory Manual, 2019 Revision 5) The following data were collected at 640 nm for a certain food coloring agent. Concentration, mM Absorbance to 00 0.102 0.193 0.289 0.397 000 5.00 0.503 (a) Plot the data using Microsoft Excel and draw a best fit line using the Trendline function. Turn the plot in with your lab. (b) What is the concentration of the dye in a solution with a percent transmittance reading of 38.2% at 640 nm? (c) If the solution in Part B was made by taking 10.00 mL of a stock solution and diluting it to 100.00 mL, what is the concentration of the dye in the stock solution?
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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PLEASE DO A B AND C THANK YOU SOOO MUCH!!!!!!!!
Transcribed Image Text:143
Chemistry I Laboratory Manual, 2019 Revision
5) The following data were collected at 640 nm for a certain food coloring agent.
Concentration, mM
Absorbance
to 00
0.102
0.193
0.289
0.397
000
5.00
0.503
(a) Plot the data using Microsoft Excel and draw a best fit line using the Trendline
function. Turn the plot in with your lab.
(b) What is the concentration of the dye in a solution with a percent transmittance
reading of 38.2% at 640 nm?
(c) If the solution in Part B was made by taking 10.00 mL of a stock solution and
diluting it to 100.00 mL, what is the concentration of the dye in the stock solution?
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