Antacid Effectiveness by Back-titration

Antacid Effectiveness by Back-titration - 3 ) Mmoles H+...

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Antacid Effectiveness by Back-Titration Eric Ly October 29, 2007 Lab Section: H
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Purpose: The purpose of this experiment is to determine the neutralization capacity of commercial antacid tablets by method of back-titration. This is accomplished by putting the antacid in a concentrated acid and then back titrate it using a base. Procedure: composition book pate 19 Data: See attached Calculations: Summary of Results: Molarity of NaOH: .1 M Molarity of HCl: .1 M Commercial Antacid Walgreens Active Ingredient Calcium Carbonate (CaCO
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Unformatted text preview: 3 ) Mmoles H+ reacted/g sample 2.162 Mmoles active ingredient/g sample 4.273 Mg active ingredient/g sample 427.685 Mg active ingredient/tablet 564.972 Conclusion: The purpose of this experiment was to determine the neutralization capacity of a store brand antacid. We achieved that by using the method of back titration. One source of error could be not reading the buret correctly. Another source of error could be not getting the point of change of color correctly....
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This note was uploaded on 04/10/2008 for the course CHEMISTRYL 110 taught by Professor Kapoor during the Fall '08 term at Quinnipiac.

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Antacid Effectiveness by Back-titration - 3 ) Mmoles H+...

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