acid base titration - Acid Base Titration Parker Ashbaugh...

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Acid Base Titration Parker Ashbaugh Chem Lab 104A Sec 45 Partners: Emily J, Ashley C, Mike S T. A. Yisheng Xu 04/19/07 Abstract The first half of this lab was a simple acid base titration used to determine the concentration of NaOH, a base that will be used throughout the experiment. We used the concentration and volume ratio of acid to base to determine a concentration of .5133M for NaOH. Similarly the second part of the lab was used to determine the concentration of HCl, which was found to be 1.2495M. Lastly using these numbers, the number of moles of OH per gram of antacid was found to determine which a better buy was. The moles/g of Alka Seltzer was .0095 mol/g and the ratio for Baking Soda was .0017 mol/g.
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Introduction The overall objective of this lab was to understand volumetric analysis by using a technique known as a titration. In order to perform this experiment we will prepare a solution of .5M NaOH, standardize it against a primary standard (KHP), and lastly complete a back titration to find the antacid capacity of two commercial products. A titration is a laboratory technique by which we can determine the concentration of an unknown solution using a standard concentration of another reagent that chemically reacts with the unknown. This standard solution is referred to as the "titrant". We have to have some way to determine when the reaction is complete that we are using. This is referred to as the "end point" or more technically the equivalence point. The end point is
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acid base titration - Acid Base Titration Parker Ashbaugh...

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