Concentration of Reagents(NH4)2S2O8KINa2S2O30.25 M0.22 M0.19 MVolumes of SolutionsS₂082 (mL) Starch soln (mL) KNO3 (mL) EDTA soln (mL) KI (mL) S₂O32- (mL) x 59.70.926.40.59.91.1Using the above data determine the concentration of I at the moment the reactionbegins.HINT: This is a mixing problem. Determine the total number of moles of I and divide thisamount by the total volume (in L).Be careful... If you go back and try this exercise again the values will change. Read thequestion carefully!Answer:

Concentration of (NH4)2S2O8 = 0.25 MConcentration of KI = 0.22 MConcentration of Na2S2O3 = 0.19…

Concentration of Reagents (NH4)2S2O8 KI Na₂S2O3 0.25 M 0.22 M 0.19 M Volumes of Solutions S₂082 (mL) Starch soln (mL) KNO3 (mL) EDTA soln (mL) KI (mL) S₂03²- (mL) x 5 9.7 9.9 1.1 0.9 26.4 0.5 Using the above data determine the concentration of I at the moment the reaction begins.

Concentration of Reagents (NH4)2S2O8 KI Na₂S2O3 0.25 M 0.22 M 0.19 M Volumes of Solutions S₂082 (mL) Starch soln (mL) KNO3 (mL) EDTA soln (mL) KI (mL) S₂03²- (mL) x 5 9.7 9.9 1.1 0.9 26.4 0.5 Using the above data determine the concentration of I at the moment the reaction begins.

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

Concentration of Reagents
(NH4)2S2O8
KI
Na2S2O3
0.25 M
0.22 M
0.19 M
Volumes of Solutions
S₂082 (mL) Starch soln (mL) KNO3 (mL) EDTA soln (mL) KI (mL) S₂O32- (mL) x 5
9.7
0.9
26.4
0.5
9.9
1.1
Using the above data determine the concentration of I at the moment the reaction
begins.
HINT: This is a mixing problem. Determine the total number of moles of I and divide this
amount by the total volume (in L).
Be careful... If you go back and try this exercise again the values will change. Read the
question carefully!
Answer:

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Step 4: Determination of the concentration of iodide ions

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