4. A student analyzed an antacid tablet from a bottle of 48 tablets purchased at a discount store for $1.00. The mass of the tablet was 1.462 g. After adding 25.00 mL of 0.8000M HCI solution to the tablet, the student back-titrated the excess HCI with 3.52 mL of 1.019M NaOH solution. (a) Calculate the number of moles of HCl added to the tablet. (b) Calculate the number of moles of NaOH required for the back-titration. (c) Calculate the number of moles of HCl neutralized by the antacid tablet. (d) Calculate the mass effectiveness of the tablet. (e) Calculate the cost of one antacid tablet.
4. A student analyzed an antacid tablet from a bottle of 48 tablets purchased at a discount store for $1.00. The mass of the tablet was 1.462 g. After adding 25.00 mL of 0.8000M HCI solution to the tablet, the student back-titrated the excess HCI with 3.52 mL of 1.019M NaOH solution. (a) Calculate the number of moles of HCl added to the tablet. (b) Calculate the number of moles of NaOH required for the back-titration. (c) Calculate the number of moles of HCl neutralized by the antacid tablet. (d) Calculate the mass effectiveness of the tablet. (e) Calculate the cost of one antacid tablet.
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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Transcribed Image Text:ANAL0478: Evaluating Commercial Antacids
4. A student analyzed an antacid tablet from a bottle of 48 tablets purchased at a discount store for $1.00.
The mass of the tablet was 1.462 g. After adding 25.00 mL of 0,8000M HCI solution to the tablet, the
student back-titrated the excess HCI with 3,52 mL of 1.019M NaOH solution.
(a) Calculate the number of moles of HCl added to the tablet.
(b) Calculate the number of moles of NaOH required for the back-titration.
() Calculate the number of moles of HCl neutralized by the antacid tablet.
(d) Calculate the mass effectiveness of the tablet.
(e) Calculate the cost of one antacid tablet.
() Calculate the cost effectiveness of the tablet.
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