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Unformatted text preview: Walgree ns active ingredient CaCO 3 mmoles of H + reacted/g sample 1.928 mmoles active ingredient/g sample 3.78 mg active ingredient/g sample 378 mg active ingredient/tablet 489.13 Conclusion The purpose of the experiment was achieved by performing a back titration in order to determine the neutralization capacity of two different commercial antacid tablets. Percent composition of active ingredient in Tums was 41% and in Walgreens brand it was 38%. Possible sources of error would be to add to much NaOH to the HCl solution or not enough thymol blue, therefore disturbing the results of the experiment. No data was discarded....
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- Fall '08