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being analysed. bservations: he initial solution of acetic acid (HC₂H₂O₂) is clear and colourless. A few drops of nenolphthalein indicator are added to each sample. A dilute solution of sodium hydroxide concentration 2.50 x 104 mol/L) is used as the titrant. As the mixture reaches the endpoint, ashes of pink colour are seen and the titrant is added drop by drop. The endpoint is eached when one drop of titrant turns the mixture a pale pink colour that does not fade. 2 3 Trial Volume of acetic acid (HC₂H₂O₂) (mL) 10.00 10.00 10.00 Initial burette reading (mL) 0.00 24.27 48.55 Final burette reading (mL) 24.27 48.55 72.81

being analysed. bservations: he initial solution of acetic acid (HC₂H₂O₂) is clear and colourless. A few drops of nenolphthalein indicator are added to each sample. A dilute solution of sodium hydroxide concentration 2.50 x 104 mol/L) is used as the titrant. As the mixture reaches the endpoint, ashes of pink colour are seen and the titrant is added drop by drop. The endpoint is eached when one drop of titrant turns the mixture a pale pink colour that does not fade. 2 3 Trial Volume of acetic acid (HC₂H₂O₂) (mL) 10.00 10.00 10.00 Initial burette reading (mL) 0.00 24.27 48.55 Final burette reading (mL) 24.27 48.55 72.81

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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6. Use the following experimental titration data to calculate the concentration of the acid being analysed. Observations: The initial solution of acetic acid (HC₂H₂O₂) is clear and colourless. A few drops of phenolphthalein indicator are added to each sample. A dilute solution of sodium hydroxide (concentration 2.50 x 104 mol/L) is used as the titrant. As the mixture reaches the endpoint, flashes of pink colour 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 colour that does not fade. 1 2 3 Trial Volume of acetic acid (HC₂H₂O₂) (ML) 10.00 10.00 10.00 Initial burette reading (mL) 0.00 24.27 48.55 Final burette reading (mL) 24.27 48.55 72.81
Transcribed Image Text:6. Use the following experimental titration data to calculate the concentration of the acid being analysed. Observations: The initial solution of acetic acid (HC₂H₂O₂) is clear and colourless. A few drops of phenolphthalein indicator are added to each sample. A dilute solution of sodium hydroxide (concentration 2.50 x 104 mol/L) is used as the titrant. As the mixture reaches the endpoint, flashes of pink colour 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 colour that does not fade. 1 2 3 Trial Volume of acetic acid (HC₂H₂O₂) (ML) 10.00 10.00 10.00 Initial burette reading (mL) 0.00 24.27 48.55 Final burette reading (mL) 24.27 48.55 72.81
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