A student performed three CH₂Cl2 layer titrations in Part 2 using a standard sodium Chiosulfate solution with a concentration of 0.01155 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 26.44 mL 18.67 mL 27.04 mL 0.55 mL Determination #2 33.86 mL 26.44 mL 26.18 ML 0.34 mL 4 Determination #3 41.13 mL 33.86 mL 26.07 mL 0.73 mL What is the concentration of iodine (in mol/L) in the CH₂Cl2 phase based on the data from their second titration (ie. their second 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 Chiosulfate solution with a concentration of 0.01155 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 26.44 mL 18.67 mL 27.04 mL 0.55 mL Determination #2 33.86 mL 26.44 mL 26.18 ML 0.34 mL 4 Determination #3 41.13 mL 33.86 mL 26.07 mL 0.73 mL What is the concentration of iodine (in mol/L) in the CH₂Cl2 phase based on the data from their second titration (ie. their second determination)? Report your answer to the correct number of significant figures and only report the numerical value (no units).
Chapter12: Spectrochemical Methods
Section: Chapter Questions
Problem 15P
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Transcribed Image Text:A student performed three CH₂Cl2 layer titrations in Part 2 using a standard sodium
thiosulfate solution with a concentration of 0.01155 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
26.44 mL
18.67 mL
27.04 mL
0.55 mL
Determination #2
33.86 mL
26.44 mL
26.18 ML
0.34 mL
A
Determination #3
41.13 mL
33.86 mL
26.07 mL
0.73 mL
What is the concentration of iodine (in mol/L) in the CH₂Cl2 phase based on the data
from their second titration (ie. their second determination)? Report your answer to
the correct number of significant figures and only report the numerical value (no
units).
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