Report Form A Redox Titration to Determine the Percentage of Available Iodine in a Commercially Available Povidone Iodine Solution Student Name:_Olivia womcl Lab Station Part A: Standardization of Sodium Thiosulfate Solution: Amount of 1 M Na2S2O3 stock solution used to prepare ~0.05 M NazS2O3: 5.00ml Concentration of KIO3 used (On label in M): 0.O100 Sample 1 Sample 2 Volume of standard KIO3 used: 10 mL 10 ml Moles of KIO3 used: lour Initial buret reading (~0.05 M S2O3²): 0:70M 8.70ml Final buret reading: 8.70ml IC 90 ml 8 m 8.2 ml Volume S2032- used: Moles of S2O3²- reacted: Molarity of S2O,: Average Molarity of S2O3: Show work for the following calculations for Sample 1. Use complete units on your work. 1OM1000 = 0IL 1. Moles of KIO3 used. 10 mi : 1000 =.0lL %3D o ColLxo.010O M=1<104 md C01 x 6-0lb0M = 2. Moles of S2O,² reacted 3. Molarity S2O,-

Report Form A Redox Titration to Determine the Percentage of Available Iodine in a Commercially Available Povidone Iodine Solution Student Name:_Olivia womcl Lab Station Part A: Standardization of Sodium Thiosulfate Solution: Amount of 1 M Na2S2O3 stock solution used to prepare ~0.05 M NazS2O3: 5.00ml Concentration of KIO3 used (On label in M): 0.O100 Sample 1 Sample 2 Volume of standard KIO3 used: 10 mL 10 ml Moles of KIO3 used: lour Initial buret reading (~0.05 M S2O3²): 0:70M 8.70ml Final buret reading: 8.70ml IC 90 ml 8 m 8.2 ml Volume S2032- used: Moles of S2O3²- reacted: Molarity of S2O,: Average Molarity of S2O3: Show work for the following calculations for Sample 1. Use complete units on your work. 1OM1000 = 0IL 1. Moles of KIO3 used. 10 mi : 1000 =.0lL %3D o ColLxo.010O M=1<104 md C01 x 6-0lb0M = 2. Moles of S2O,² reacted 3. Molarity S2O,-

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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The Tl in a 9.76-g sample of rodenticide was oxidized to the trivalent state and treated with an unmeasured excess of Mg/EDTA solution. The reaction is Tl+3 + MgY-2 → TlY- + Mg+2 Titration of the liberated Mg2+ required 15.34-mL of 0.08560 N EDTA. The type of titration involved in the assay is ___ (direct/indirect/residual) and the percentage of Tl2SO4 in the sample is ____%. Molecular mass: Tl2SO4 = 504.8
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