Use the following experimental titration data to calculate the concentration of the acid being analyzed. Observations: The initial solution of acetic acid (HC2 H3 O2) is clear and colorless. A few drops of phenolphthalein indicator are added to each sample. A dilute solution of sodium hydroxide (concentration 2.50 x 10-4 mol/L) is used as the titrant. As the mixture reaches the endpoint, flashes of pink color are seen and the titrant is added drop by drop. The endpoint is reached when one drop of titrant turns the mixture a pale pink color that does not fade.
Use the following experimental titration data to calculate the concentration of the acid being analyzed. Observations: The initial solution of acetic acid (HC2 H3 O2) is clear and colorless. A few drops of phenolphthalein indicator are added to each sample. A dilute solution of sodium hydroxide (concentration 2.50 x 10-4 mol/L) is used as the titrant. As the mixture reaches the endpoint, flashes of pink color are seen and the titrant is added drop by drop. The endpoint is reached when one drop of titrant turns the mixture a pale pink color that does not fade.
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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Use the following experimental titration data to calculate the concentration of the acid being analyzed. Observations: The initial solution of acetic acid (HC2 H3 O2) is clear and colorless. A few drops of phenolphthalein indicator are added to each sample. A dilute solution of sodium hydroxide (concentration 2.50 x 10-4 mol/L) is used as the titrant. As the mixture reaches the endpoint, flashes of pink color are seen and the titrant is added drop by drop. The endpoint is reached when one drop of titrant turns the mixture a pale pink color that does not fade.
Transcribed Image Text:Tria Volume of acetic acid (HC,H,0,) Initial burette reading
(mL)
Final burette reading
(ml.)
(ml)
1
10.00
0.00
24.27
2
10.00
24.27
48.55
3
10.00
48.55
72.81
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