A student performed three DCM layer titrations in Part 2 and they reported the following measurements: Final Burette Reading Initial Burette Reading Volume of DCM Aliquot Final Burette Reading Initial Burette Reading Volume of Sodium Thiosulfate Determination #1 Determination #2 Determination #3 29.99 mL 22.78 mL 7.21 mL 28.56 mL 1.21 mL 27.35 mL 37.45 mL 29.99 mL 7.46 mL 28.89 mL 1.08 mL 27.81 mL 44.86 mL 37.45 mL 7.41 mL 28.68 mL 1.00 mL 27.68 mL Which determinations were the student's 'best two'? Calculate the percent difference for the 'best two' and show the complete calculation. Note that the concentration of standard sodium thiosulfate, which the student used, is unknown.

A student performed three DCM layer titrations in Part 2 and they reported the following measurements: Final Burette Reading Initial Burette Reading Volume of DCM Aliquot Final Burette Reading Initial Burette Reading Volume of Sodium Thiosulfate Determination #1 Determination #2 Determination #3 29.99 mL 22.78 mL 7.21 mL 28.56 mL 1.21 mL 27.35 mL 37.45 mL 29.99 mL 7.46 mL 28.89 mL 1.08 mL 27.81 mL 44.86 mL 37.45 mL 7.41 mL 28.68 mL 1.00 mL 27.68 mL Which determinations were the student's 'best two'? Calculate the percent difference for the 'best two' and show the complete calculation. Note that the concentration of standard sodium thiosulfate, which the student used, is unknown.

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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