Part 2 - Titration of the DCM Layer Question 7 A student performed three DCM layer titrations in Part 2 and they reported the following measurements: Determination #1 Determination #2 Determination #3 Final Burette 31.12 mL 38.12 mL 45.00 mL Reading Initial Burette 24.21 mL 31.12 mL 38.12 mL Reading Volume of DCM 6.91 mL 7.00 mL 6.88 mL Aliquot Final Burette 31.52 mL 35.64 mL 44.99 mL Reading Initial Burette 2.43 mL 9.39 mL 19.31 mL Reading Volume of Sodium 29.09 mL 26.25 mL 25.68 mL Thiosulfate 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. B I U A Paragraph + v

Part 2 - Titration of the DCM Layer Question 7 A student performed three DCM layer titrations in Part 2 and they reported the following measurements: Determination #1 Determination #2 Determination #3 Final Burette 31.12 mL 38.12 mL 45.00 mL Reading Initial Burette 24.21 mL 31.12 mL 38.12 mL Reading Volume of DCM 6.91 mL 7.00 mL 6.88 mL Aliquot Final Burette 31.52 mL 35.64 mL 44.99 mL Reading Initial Burette 2.43 mL 9.39 mL 19.31 mL Reading Volume of Sodium 29.09 mL 26.25 mL 25.68 mL Thiosulfate 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. B I U A Paragraph + v

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter12: Spectrochemical Methods

Section: Chapter Questions

Problem 15P

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