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Calculate the new initial concentrations of KI, Na2S2O3, HCl and KBrO3 after being diluted in the overall reaction mixture.

Calculate the new initial concentrations of KI, Na2S2O3, HCl and KBrO3 after being diluted in the overall reaction mixture.

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
Chapter4: Types Of Chemical Reactions And Solution Stoichiometry
Section: Chapter Questions
Problem 47E
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Calculate the new initial concentrations of KI, Na2S2O3, HCl and KBrO3 after being diluted in the overall reaction mixture. 

B.) For each experiment, determine the rate of reaction with respect to I- (rateI-). Remember that the time you measured was the time for all of the S2O32- to react

Data: Exp. 1 - Trial 1 Exp. 1-Trial 2 Exp. 2 - Trial 1 Exp. 2- Trial 2 Exp. 3 - Trial 1 Exp. 3- Trial 2 Exp. 4 - Trial 1 Exp. 4 - Trial 2 Time 9.46 9.31 7.28 9.35 5.23 7.37 4.05 4.24 Unit S S S S S S S S
Transcribed Image Text:Data: Exp. 1 - Trial 1 Exp. 1-Trial 2 Exp. 2 - Trial 1 Exp. 2- Trial 2 Exp. 3 - Trial 1 Exp. 3- Trial 2 Exp. 4 - Trial 1 Exp. 4 - Trial 2 Time 9.46 9.31 7.28 9.35 5.23 7.37 4.05 4.24 Unit S S S S S S S S
Exp. Solution 1: 0.010 M KI 1 2 3 4 2.00mL 4.00 mL 2.00 mL 2.00 mL First Graduated cylinder Solution 2: 0.001 M Na₂S₂O, 5.00 mL 5.00 mL 5.00 mL 5.00 mL Water 3.00 mL 1.00 mL 3.00 mL 3.00 mL Solution 4: 2% Starch 3-4 drops 3-4 drops 3-4 drops 3-4 drops Second graduated cylinder Solution 5: 0.10 M HCI 3.00 mL 3.00 mL 3.00 mL 6.00 mL Solution 6: 0.040 M KBRO, 3.00 mL 3.00 mL 6.00 mL 3.00 mL Water 4.00 mL 4.00 mL 1.00 mL 1.00 mL Do the following for each exp. 1. In a 10 mL graduated cylinder measure out solutions 1-4 (one on top of the other) 2. Pour the contents of the graduated cylinder into a small beaker 3. In a separate 10 mL graduated cylinder that will be dedicated for the potassium bromate, measure out solutions 5, 6, and water. 4. The instant this mixture is added to the beaker, you will need to start timing the time it takes until the solution turns blue. [(())) 5. Add solution 6 to the beaker, start timing and stir.
Transcribed Image Text:Exp. Solution 1: 0.010 M KI 1 2 3 4 2.00mL 4.00 mL 2.00 mL 2.00 mL First Graduated cylinder Solution 2: 0.001 M Na₂S₂O, 5.00 mL 5.00 mL 5.00 mL 5.00 mL Water 3.00 mL 1.00 mL 3.00 mL 3.00 mL Solution 4: 2% Starch 3-4 drops 3-4 drops 3-4 drops 3-4 drops Second graduated cylinder Solution 5: 0.10 M HCI 3.00 mL 3.00 mL 3.00 mL 6.00 mL Solution 6: 0.040 M KBRO, 3.00 mL 3.00 mL 6.00 mL 3.00 mL Water 4.00 mL 4.00 mL 1.00 mL 1.00 mL Do the following for each exp. 1. In a 10 mL graduated cylinder measure out solutions 1-4 (one on top of the other) 2. Pour the contents of the graduated cylinder into a small beaker 3. In a separate 10 mL graduated cylinder that will be dedicated for the potassium bromate, measure out solutions 5, 6, and water. 4. The instant this mixture is added to the beaker, you will need to start timing the time it takes until the solution turns blue. [(())) 5. Add solution 6 to the beaker, start timing and stir.
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