A student uses 0.001 M potassium thiocyanate solution to make the calibration solutions in the first part of the lab. If the student calculated the concentrations of the thiocyanatoiron(III) complex assuming 0.002 M potassium thiocyanate solution was used, what would the effect be on the student's results? The student carries out the second part of the experiment using solutions with correct concentrations. The slope of the Beer's Law plot would be less than it should have been, resulting in larger Kc values calculated in the second part. The slope of the Beer's Law plot would be less than it should have been, resulting in smaller Kc values calculated in the second part of the experiment. The slope of the Beer's Law plot would be greater than it should have been, resulting in smaller Kc values calculated in the second part of the experiment. The slope of the Beer's Law plot would be greater than it should have been, resulting in larger Kc values calculated in the second part of the experiment.

Actual concentration of potassium thiocyanate, [KSCN] = 0.001 M. The student calculated the…

Answered: A student uses 0.001 M potassium…

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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A student uses 0.001 M potassium thiocyanate solution to make the calibration solutions in the first part of the lab. If the student calculated the concentrations of the thiocyanatoiron(III) complex assuming 0.002 M potassium thiocyanate solution was used, what would the effect be on the student's results? The student carries out the second part of the experiment using solutions with correct concentrations.

	The slope of the Beer's Law plot would be less than it should have been, resulting in larger K_c values calculated in the second part.
	The slope of the Beer's Law plot would be less than it should have been, resulting in smaller K_c values calculated in the second part of the experiment.
	The slope of the Beer's Law plot would be greater than it should have been, resulting in smaller K_c values calculated in the second part of the experiment.
	The slope of the Beer's Law plot would be greater than it should have been, resulting in larger K_c values calculated in the second part of the experiment.

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