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Run 1 2 3 Initial Burette Reading (mL) Absolute Uncertainty (ml) Final Burette Reading (mL) Absolute Uncertainty (mL) Total Volume EDTA Titrated (mL) Absolute Uncertainty (mL 0.02 21.74 0.02 0.02 0.02 21.87 21.69 0.02 0.02 39.99 24.98 39.8 verage Volume EDTA titrated (ml): 21.77 18.25 3.11 21.69 Absolute Uncertainty (ml) % Relative Uncertainty 0.04 0.04 0.04 only average the total volumes within 0.1 ml

Run 1 2 3 Initial Burette Reading (mL) Absolute Uncertainty (ml) Final Burette Reading (mL) Absolute Uncertainty (mL) Total Volume EDTA Titrated (mL) Absolute Uncertainty (mL 0.02 21.74 0.02 0.02 0.02 21.87 21.69 0.02 0.02 39.99 24.98 39.8 verage Volume EDTA titrated (ml): 21.77 18.25 3.11 21.69 Absolute Uncertainty (ml) % Relative Uncertainty 0.04 0.04 0.04 only average the total volumes within 0.1 ml

Chemistry
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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how do i find the absolute and relative uncertainty of my data?

Run 1 2 3 Initial Burette Reading (mL) Absolute Uncertainty (mL) 0.02 0.02 0.02 39.99 24.98 39.8 Average Volume EDTA titrated (ml): 21.77 Final Burette Reading (mL) 18.25 3.11 21.69 Absolute Uncertainty (ml) Absolute Uncertainty (mL) Total Volume EDTA Titrated (mL) Absolute Uncertainty (mL) 21.74 0.02 0.02 0.02 % Relative Uncertainty 21.87 21.69 0.04 0.04 0.04 only average the total volumes within 0.1 mL
Transcribed Image Text:Run 1 2 3 Initial Burette Reading (mL) Absolute Uncertainty (mL) 0.02 0.02 0.02 39.99 24.98 39.8 Average Volume EDTA titrated (ml): 21.77 Final Burette Reading (mL) 18.25 3.11 21.69 Absolute Uncertainty (ml) Absolute Uncertainty (mL) Total Volume EDTA Titrated (mL) Absolute Uncertainty (mL) 21.74 0.02 0.02 0.02 % Relative Uncertainty 21.87 21.69 0.04 0.04 0.04 only average the total volumes within 0.1 mL
Expert Solution
Step 1

relative uncertainty as a percentage = (absolute uncertainty/measured value) * 100.

absolute uncertainty = (relative uncertainty * measured value)/100.

Total volume of EDTA titrated (mL) Absolute Uncertainity(mL)
21.74 0.04
21.87 0.04
21.69 0.04

 

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