How to determine the percentage of CaCO3

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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How to determine the percentage of CaCO3 in an antacid tablet
art IV. Determine the percentage of CaCO3 in an antacid tablet.
HCI (aq) + NaOH (aq) → NaCl (aq)
Trial 1
+
H₂O (1)
Trial 2
Mass of Antacid Tablet
1,4808
1.60523
Volume 3.00M HCI Used
5.00
5.00 ML
Total moles HCl added to flask
0.015 mol
0.015 mol
Final burette reading
25.75
34.85
Initial burette reading
00-19-
00.05m2
25.56m 34,80mL
0.092
0.092
Volume of NaOH used
Molarity of NaOH (from Part II)
Moles NaOH used
Moles excess HCl titrated
Moles HCl absorbed by Tablet
(Hint: It is NOT moles titrated.)
Moles CaCO3 in Tablet
Mass CaCO3 in Tablet
% CaCO3 in Tablet
Average % CaCO3 in Tablet
2.352x103 3.20 2x10
Show your calculations for "Mass % CaCO3 in Tablet" for at least 1 trail below.
Transcribed Image Text:art IV. Determine the percentage of CaCO3 in an antacid tablet. HCI (aq) + NaOH (aq) → NaCl (aq) Trial 1 + H₂O (1) Trial 2 Mass of Antacid Tablet 1,4808 1.60523 Volume 3.00M HCI Used 5.00 5.00 ML Total moles HCl added to flask 0.015 mol 0.015 mol Final burette reading 25.75 34.85 Initial burette reading 00-19- 00.05m2 25.56m 34,80mL 0.092 0.092 Volume of NaOH used Molarity of NaOH (from Part II) Moles NaOH used Moles excess HCl titrated Moles HCl absorbed by Tablet (Hint: It is NOT moles titrated.) Moles CaCO3 in Tablet Mass CaCO3 in Tablet % CaCO3 in Tablet Average % CaCO3 in Tablet 2.352x103 3.20 2x10 Show your calculations for "Mass % CaCO3 in Tablet" for at least 1 trail below.
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