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Calculate the Initial Concentration, in units of Molarity, for each reagent used in each of the three trials in this experiment.

Calculate the Initial Concentration, in units of Molarity, for each reagent used in each of the three trials in this experiment.

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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Calculate the Initial Concentration, in units of Molarity, for each reagent used in each of the three trials in this experiment.
Stock solutions of each of the reagents are provided at the following concentrations: 0.755 M [H¿C¿O4] [MnO,] 0.130 M We will vary the initial concentration of the Oxalic Acid and Permanganate by varying the volume of each reagent added to the reaction mixture. The concentration (volume) of only one species will be varied from one experiment to the next so as to determine the influence of only the species being varied. Because the endpoint of the reaction is difficult to determine, each experiment will be performed in triplicate and the results will be averaged. Each experiment will be prepared as follows: Experiment Oxalic Acid Permanganate Water Trial 1 Trie 2 Trial.3 5.00 1.00 6.00 10.00 1.00 1.00 5.00 2.00 5.00 1. Label a clean 100mL beaker: "Oxalic Acid" Obtain ~75 mL of Oxalic Acid solution and place it in the beaker. Oxalic Acid is poisonous. Wear gloves when handling solutions containing Oxalic Acid. If some spills on your skin, rinse it off with copious amounts of water. Large spills require flushing with water for 15 minutes. 2. Do the same for a beaker for Water. 3. Label a clean 50 mL beaker: "Permanganate Ion" Obtain ~25mL of Permanganate and place it in the beaker. Permanganate is a strong oxidizing agent. Handle solutions of Permanganate with gloves. 4. Obtain a large test tube and clamp it in place over a stir plate. Add a small stir bar to the test tube.
Transcribed Image Text:Stock solutions of each of the reagents are provided at the following concentrations: 0.755 M [H¿C¿O4] [MnO,] 0.130 M We will vary the initial concentration of the Oxalic Acid and Permanganate by varying the volume of each reagent added to the reaction mixture. The concentration (volume) of only one species will be varied from one experiment to the next so as to determine the influence of only the species being varied. Because the endpoint of the reaction is difficult to determine, each experiment will be performed in triplicate and the results will be averaged. Each experiment will be prepared as follows: Experiment Oxalic Acid Permanganate Water Trial 1 Trie 2 Trial.3 5.00 1.00 6.00 10.00 1.00 1.00 5.00 2.00 5.00 1. Label a clean 100mL beaker: "Oxalic Acid" Obtain ~75 mL of Oxalic Acid solution and place it in the beaker. Oxalic Acid is poisonous. Wear gloves when handling solutions containing Oxalic Acid. If some spills on your skin, rinse it off with copious amounts of water. Large spills require flushing with water for 15 minutes. 2. Do the same for a beaker for Water. 3. Label a clean 50 mL beaker: "Permanganate Ion" Obtain ~25mL of Permanganate and place it in the beaker. Permanganate is a strong oxidizing agent. Handle solutions of Permanganate with gloves. 4. Obtain a large test tube and clamp it in place over a stir plate. Add a small stir bar to the test tube.
After experiment, we record the time of each trial Trial 1: 1) 4min 35. 65 sec 2) 4min 41.31 sec 3) 4min 45.42 sec Trial 2: 1) 2min 59.65 sec 2) 3min 4.66 sec 3) 2min 52.09 sec Trial 3 1) 9min 29.78 sec 2) 9min 23. 43 sec 3) 9min 19.45 sec
Transcribed Image Text:After experiment, we record the time of each trial Trial 1: 1) 4min 35. 65 sec 2) 4min 41.31 sec 3) 4min 45.42 sec Trial 2: 1) 2min 59.65 sec 2) 3min 4.66 sec 3) 2min 52.09 sec Trial 3 1) 9min 29.78 sec 2) 9min 23. 43 sec 3) 9min 19.45 sec
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