January 10, 2017 Jane Doe and John Doe Experiment 1: Density, Graphing, Accuracy and Precision Sample # 1 2 3 4 Initial Buret Reading 12.40 14.20 15.98 18.08 Final Buret Reading 14.20 15.98 18.08 20.08 mL Difference 1.80 1.78 2.10 2.00 Cumulative Volume 1.80 3.58 5.68 7.68 Dry Cap + Vial 4.935 g After Adding Sample 6.7081 8.5443 10.7027 12.8074 Difference 1.7731 3.6093 5.7677 7.8724

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter5: Errors In Chemical Analyses
Section: Chapter Questions
Problem 5.12QAP
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can you please explain how we get the cumulative volume and what is it? The image below is just for reference. It shows the cumulative volume. But do we obtain it

January 10, 2017
Jane Doe and John Doe
Experiment 1: Density, Graphing, Accuracy and Precision
Sample #
1
2
3
4
Initial
Buret
Reading
12.40
14.20
15.98
18.08
Final
Buret
Reading
14.20
15.98
18.08
20.08
mL
Difference
1.80
1.78
2.10
2.00
Cumulative
Volume
1.80
3.58
5.68
7.68
Dry Cap +
Vial
4.935
After
Adding
Sample
6.7081
8.5443
10.7027
12.8074
Difference
1.7731
3.6093
5.7677
7.8724
Transcribed Image Text:January 10, 2017 Jane Doe and John Doe Experiment 1: Density, Graphing, Accuracy and Precision Sample # 1 2 3 4 Initial Buret Reading 12.40 14.20 15.98 18.08 Final Buret Reading 14.20 15.98 18.08 20.08 mL Difference 1.80 1.78 2.10 2.00 Cumulative Volume 1.80 3.58 5.68 7.68 Dry Cap + Vial 4.935 After Adding Sample 6.7081 8.5443 10.7027 12.8074 Difference 1.7731 3.6093 5.7677 7.8724
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