Two analytical methods (potentiometry and amperometry) were used to determine the concentration of Fe²+ in water, and the following data table was obtained: Trial # Potentiometry Amperometry No 1 0.15 M 0.18 M Yes 2 0.19 M 0.19 M 3 0.18 M 0.22 M 4 Calculate the standard deviations from potentiometry and amperometry. Are they similar each other at the 95% confidence level? Not Performed 0.25 M

Two analytical methods (potentiometry and amperometry) were used to determine the concentration of Fe²+ in water, and the following data table was obtained: Trial # Potentiometry Amperometry No 1 0.15 M 0.18 M Yes 2 0.19 M 0.19 M 3 0.18 M 0.22 M 4 Calculate the standard deviations from potentiometry and amperometry. Are they similar each other at the 95% confidence level? Not Performed 0.25 M

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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Question

Two analytical methods (potentiometry and amperometry) were used to determine the
concentration of Fe²+ in water, and the following data table was obtained:
Trial #
Potentiometry
Amperometry
No
1
0.15 M
0.18 M
Yes
2
0.19 M
0.19 M
3
0.18 M
0.22 M
Calculate the standard deviations from potentiometry and amperometry. Are they similar each
other at the 95% confidence level?
4
Not Performed
0.25 M

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