A student performed three CH₂Cl2 layer titrations in Part 2 using a standard sodium thiosulfate solution with a concentration of 0.01154 M. They reported the following measurements: Final CH₂Cl₂ Layer Burette Reading Initial CH₂Cl2 Layer Burette Reading Final Thiosulfate Burette Reading Initial Thiosulfate Burette Reading Determination #1 19.86 mL 12.44 mL 28.88 mL 1.23 mL Determination #2 27.53 mL 19.86 mL 29.22 mL 1.44 mL Determination #3 35.01 mL 27.53 mL 29.02 mL 1.18 ML How many moles of iodine did they use in their first titration (ie. their first determination)? Report your answer to the correct number of significant figures and only report the numerical value (no units).
A student performed three CH₂Cl2 layer titrations in Part 2 using a standard sodium thiosulfate solution with a concentration of 0.01154 M. They reported the following measurements: Final CH₂Cl₂ Layer Burette Reading Initial CH₂Cl2 Layer Burette Reading Final Thiosulfate Burette Reading Initial Thiosulfate Burette Reading Determination #1 19.86 mL 12.44 mL 28.88 mL 1.23 mL Determination #2 27.53 mL 19.86 mL 29.22 mL 1.44 mL Determination #3 35.01 mL 27.53 mL 29.02 mL 1.18 ML How many moles of iodine did they use in their first titration (ie. their first determination)? Report your answer to the correct number of significant figures and only report the numerical value (no units).
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
Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 100AE: The following plot shows the pH curves for the titrations of various acids by 0.10 M NaOH (all of...
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![A student performed three CH₂Cl₂ layer titrations in Part 2 using a standard sodium
thiosulfate solution with a concentration of 0.01154 M. They reported the following
measurements:
Final CH₂Cl2 Layer
Burette Reading
Initial CH₂Cl₂ Layer
Burette Reading
Final Thiosulfate
Burette Reading
Initial Thiosulfate
Burette Reading
Determination #1
19.86 mL
12.44 mL
28.88 mL
1.23 mL
Determination #2
27.53 mL
19.86 mL
29.22 mL
1.44 mL
Determination #3
35.01 mL
27.53 mL
29.02 mL
1.18 ML
How many moles of iodine did they use in their first titration (ie. their first
determination)? Report your answer to the correct number of significant figures and
only report the numerical value (no units).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F20d8e73b-93ff-4d48-b027-b392c3f6696b%2F1ef00f0c-81ab-4d98-8002-ff9dacec0d44%2Fyjyg73r_processed.png&w=3840&q=75)
Transcribed Image Text:A student performed three CH₂Cl₂ layer titrations in Part 2 using a standard sodium
thiosulfate solution with a concentration of 0.01154 M. They reported the following
measurements:
Final CH₂Cl2 Layer
Burette Reading
Initial CH₂Cl₂ Layer
Burette Reading
Final Thiosulfate
Burette Reading
Initial Thiosulfate
Burette Reading
Determination #1
19.86 mL
12.44 mL
28.88 mL
1.23 mL
Determination #2
27.53 mL
19.86 mL
29.22 mL
1.44 mL
Determination #3
35.01 mL
27.53 mL
29.02 mL
1.18 ML
How many moles of iodine did they use in their first titration (ie. their first
determination)? Report your answer to the correct number of significant figures and
only report the numerical value (no units).
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