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1. A student prepared the following mixtures and measured the time each took to react. Calculate the average time for each mixture (in seconds). Mixture Vol. of 4.0M acetone (ml) 1 2 10 20 10 10 Vol. of 1.0M HCI 2222 Vol. of 0.0050M 1, 10 10 10 5 Vol. of H₂O (ml) 20 10 10 25 Time for Trial 1 249 123 121 124 Time for Trial 2 251 125 124 126 Average time (s) 2. To complete the following table: a. Determine the initial concentration (molarity) of each reagent using the equation (note: these values will be exactly the same for your experimental data): Man Vis MetaVital The Man and Vfor each reagent are given in problem 1 (fpr example, for acetone, the Maxis 4.0 M and Vis 10 mL for mixture 1). The total volume is 50 mL for each trial. b. Calculate the rate of the reaction using the equation (note: these rates may differ slightly from the data collected during your experiment) rate=LLL

1. A student prepared the following mixtures and measured the time each took to react. Calculate the average time for each mixture (in seconds). Mixture Vol. of 4.0M acetone (ml) 1 2 10 20 10 10 Vol. of 1.0M HCI 2222 Vol. of 0.0050M 1, 10 10 10 5 Vol. of H₂O (ml) 20 10 10 25 Time for Trial 1 249 123 121 124 Time for Trial 2 251 125 124 126 Average time (s) 2. To complete the following table: a. Determine the initial concentration (molarity) of each reagent using the equation (note: these values will be exactly the same for your experimental data): Man Vis MetaVital The Man and Vfor each reagent are given in problem 1 (fpr example, for acetone, the Maxis 4.0 M and Vis 10 mL for mixture 1). The total volume is 50 mL for each trial. b. Calculate the rate of the reaction using the equation (note: these rates may differ slightly from the data collected during your experiment) rate=LLL

Chemical Principles in the Laboratory
Chemical Principles in the Laboratory
11th Edition
ISBN:9781305264434
Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Chapter42: Rate Studies On The Decomposition Of Aspirin
Section: Chapter Questions
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1. A student prepared the following mixtures and measured the time each took to react. Calculate the average time for each mixture (in seconds). Mixture 1 2 3 4 Vol. of 4.0M acetone (ml) Mixture 1 2 3 4 10 20 10 10 Vol. of 1.0M HCI (mL) 10 10 20 10 Vol. of 0.0050M 1₂ (mL) 10 10 [Acetone], M 0.80 10 5 Vol. of H₂O (ML) 20 10 [H], M 0.20 10 25 Time for Trial 1 249 123 121 124 [1₂], M 0.0010 Time for Trial 2 2. To complete the following table: a. Determine the initial concentration (molarity) of each reagent using the equation (note: these values will be exactly the same for your experimental data): Matack Vstock -MinitalV total The Matock and Vack for each reagent are given in problem 1 (fpr example, for acetone, the Mack is 4.0 M and Vtock is 10 mL for mixture 1). The total volume is 50 mL for each trial. 251 125 124 126 b. Calculate the rate of the reaction using the equation (note: these rates may differ slightly from the data collected during your experiment) rate=LLL Average time (s) Rate
Transcribed Image Text:1. A student prepared the following mixtures and measured the time each took to react. Calculate the average time for each mixture (in seconds). Mixture 1 2 3 4 Vol. of 4.0M acetone (ml) Mixture 1 2 3 4 10 20 10 10 Vol. of 1.0M HCI (mL) 10 10 20 10 Vol. of 0.0050M 1₂ (mL) 10 10 [Acetone], M 0.80 10 5 Vol. of H₂O (ML) 20 10 [H], M 0.20 10 25 Time for Trial 1 249 123 121 124 [1₂], M 0.0010 Time for Trial 2 2. To complete the following table: a. Determine the initial concentration (molarity) of each reagent using the equation (note: these values will be exactly the same for your experimental data): Matack Vstock -MinitalV total The Matock and Vack for each reagent are given in problem 1 (fpr example, for acetone, the Mack is 4.0 M and Vtock is 10 mL for mixture 1). The total volume is 50 mL for each trial. 251 125 124 126 b. Calculate the rate of the reaction using the equation (note: these rates may differ slightly from the data collected during your experiment) rate=LLL Average time (s) Rate
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1) We have to find the average time of each mixture.

2) Determine the rate and concentration of reactants.

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