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A. Determination Molar concentratio Molar concentration

A. Determination Molar concentratio Molar concentration

Chemistry
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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A Rate Law• Date Name. pes qo A. Determination of Reaction Times Volume of Na,S,O, (L)C. .10 Molar concentration of Na,S,O, ♡20 Ambient temperature 22 °C 30 ; Molar concentration of H,O, Total volume of kinetic trials (mL)_I0.00ML Molar concentration of KI Kinetic Trial 1* 2 3 4 5 6 1. Time for color change, At (sec) 75 36 23 17 48 B. Calculations for Determining the Rate Law 1. Moles of S,0,2- consumed (mol) 2. A(mol I,") produced A(mol I) 3. (mol/s) At A(mol I,) 4. log At
Transcribed Image Text:A Rate Law• Date Name. pes qo A. Determination of Reaction Times Volume of Na,S,O, (L)C. .10 Molar concentration of Na,S,O, ♡20 Ambient temperature 22 °C 30 ; Molar concentration of H,O, Total volume of kinetic trials (mL)_I0.00ML Molar concentration of KI Kinetic Trial 1* 2 3 4 5 6 1. Time for color change, At (sec) 75 36 23 17 48 B. Calculations for Determining the Rate Law 1. Moles of S,0,2- consumed (mol) 2. A(mol I,") produced A(mol I) 3. (mol/s) At A(mol I,) 4. log At
Table 24.1 Composition of Test Solutions Solution A Solution B* TII Knetic Thal Boiled, Deionized Water Buffer** 0.3 M KI 0.02 M Na,S,O3 Starch 0.1 M H2O2 4.0 mL - 5 drops 5 drops 5 drops 5 drops 5 drops 5 drops 5 drops 5 drops 1.0 mL 1.0 mL 1.0 mL 3.0 mL 3.0 mL 1.0 mL 2.0 mL 1.0 mL 3.0 mL 2.0 mL 1.0 mL 3.0 mL 1.0 mL 3.0 mL 1.0 mL 1.0 mL 4.0 mL 1.0 mL 3.0 mL 2.0 mL 1.0 mL 1.0 mL 1.0 mL 5.0 mL 7.0 mL 2.0 mL 1.0 mL 0.0 mL 5.0 mL 1.0 mL 1.0 mL 1.0 mL 1.0 mL 1.0 mL 1.0 mL 1.0 mL 1M K,S,0, may be substituted. 5M CH,COOH and 0.5 M NACH,CO,. You are to select the volumes of solutions for the trial. 5. Repeat for the remaining kinetic trials. Mix and time the test solutions for the remaining seven kinetic trials. If the instructor approves, conduct additional kinetic trials, either by repeating those in Table 24.1 or by preparing other combinations of KI and H,O,. Make sure that the total diluted volume remains constant at 10 mL. Disposal: Dispose of the solutions from the kinetic trials in the Waste lodide Salts container. CLEANUP: Rinse the beakers or test tubes twice with tap water and discard in the Waste Iodide Salts container. Dispose of two final rinses with deionized water in the sink. Perform the calculations, carefully one step at a time. Appropriate and correctly pro- grammed software would be invaluable for completing this analysis. As you read Determining the Rate Law through this section, complete the appropriate calculation and record it with the correct number of significant figure for each test solution on the Report Sheet. B. Calculations for in each kinetic
Transcribed Image Text:Table 24.1 Composition of Test Solutions Solution A Solution B* TII Knetic Thal Boiled, Deionized Water Buffer** 0.3 M KI 0.02 M Na,S,O3 Starch 0.1 M H2O2 4.0 mL - 5 drops 5 drops 5 drops 5 drops 5 drops 5 drops 5 drops 5 drops 1.0 mL 1.0 mL 1.0 mL 3.0 mL 3.0 mL 1.0 mL 2.0 mL 1.0 mL 3.0 mL 2.0 mL 1.0 mL 3.0 mL 1.0 mL 3.0 mL 1.0 mL 1.0 mL 4.0 mL 1.0 mL 3.0 mL 2.0 mL 1.0 mL 1.0 mL 1.0 mL 5.0 mL 7.0 mL 2.0 mL 1.0 mL 0.0 mL 5.0 mL 1.0 mL 1.0 mL 1.0 mL 1.0 mL 1.0 mL 1.0 mL 1.0 mL 1M K,S,0, may be substituted. 5M CH,COOH and 0.5 M NACH,CO,. You are to select the volumes of solutions for the trial. 5. Repeat for the remaining kinetic trials. Mix and time the test solutions for the remaining seven kinetic trials. If the instructor approves, conduct additional kinetic trials, either by repeating those in Table 24.1 or by preparing other combinations of KI and H,O,. Make sure that the total diluted volume remains constant at 10 mL. Disposal: Dispose of the solutions from the kinetic trials in the Waste lodide Salts container. CLEANUP: Rinse the beakers or test tubes twice with tap water and discard in the Waste Iodide Salts container. Dispose of two final rinses with deionized water in the sink. Perform the calculations, carefully one step at a time. Appropriate and correctly pro- grammed software would be invaluable for completing this analysis. As you read Determining the Rate Law through this section, complete the appropriate calculation and record it with the correct number of significant figure for each test solution on the Report Sheet. B. Calculations for in each kinetic
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