Solution Preparation Prepare the following solutions by class: 1. 250.0 mL 0.2 M KI 2. 250.0 mL 0.2 M KCI 3. 250.0 mL 0.1 M K2S2O8 4. 250.0 mL 0.1 M K2SO4 5. 250.0 mL 4.0 mM Na2 S2 O3 (from Na2 S2O3 5H2O) 6. 20.0 mL of 1% (w/v) fresh starch solution Moisten 0.20 g of soluble starch with a small amount of H2O until a smooth paste is obtained. Pour slowly into 20.0 mL of boiling water. The starch solution must be freshly prepared. NOTE: Keep the solution at 90°C-100°C to avoid starch solution from drying up. 7. 50.0 mL 0.01 M CuSO4

Solution Preparation Prepare the following solutions by class: 1. 250.0 mL 0.2 M KI 2. 250.0 mL 0.2 M KCI 3. 250.0 mL 0.1 M K2S2O8 4. 250.0 mL 0.1 M K2SO4 5. 250.0 mL 4.0 mM Na2 S2 O3 (from Na2 S2O3 5H2O) 6. 20.0 mL of 1% (w/v) fresh starch solution Moisten 0.20 g of soluble starch with a small amount of H2O until a smooth paste is obtained. Pour slowly into 20.0 mL of boiling water. The starch solution must be freshly prepared. NOTE: Keep the solution at 90°C-100°C to avoid starch solution from drying up. 7. 50.0 mL 0.01 M CuSO4

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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