Tums-Rolaid - Nick Mooney Indira Silwal March 31, 2008 Acid...

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Nick Mooney Indira Silwal March 31, 2008 Acid Tablets, a Back Titration Introduction This lab was intended for us to learn how to use back titration to determine the amount of acid neutralized by two different materials. We also asked to identify the most cost- effective antacid. Procedure To perform this lab, a Back-Titration was used to determine the amount of acid neutralized by the two assigned antacid tablets, Tums and Rolaids. A back-titration was performed by adding an excess of acid, HCl, to a weighed and dissolved sample of an antacid tablet; the tablet will neutralize some of the acid and some will remain in the solution. The remaining amount of acid is then titrated with a standardized base, NaOH to determine the amount of acid remaining in the solution. Then by subtracting this amount from the total initial acid added at the start, the amount of acid neutralized by the antacid can be calculated. Data and Results
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Tums-Rolaid - Nick Mooney Indira Silwal March 31, 2008 Acid...

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