acid-basetitrations - Lab: Acid-Base Titrations...

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Unformatted text preview: Lab: Acid-Base Titrations Introduction/Hypothesis: By titrating substances, one can discover the concentration of an unknown solution when it is neutralized. This can be done by observing a color change between an acid and a base or by using a pH meter. The goal of this experiment is to discover the concentration of an unknown solution of NaOH by titrating it with 1.1 M HCl. It is hoped that discovering this concentration via titration will also increase our knowledge and understanding of titration. Group Memebers: Annika Mitchell, Project Manager Blaire Andres, Quality Control Manager and Materials Manage Materials used: Safety goggles Graduated cylinder Buret Buret clamp Small funnel Erlenmeyer flask .100 M HCl Unknown solution of NaOH Phenolphthalein Procedure: 1. The buret was filled with NaOH solution, with a small amount of the base released so that all air bubbles were eliminated. The volume of the buret was recorded in the data table. 2. The initial volume on the class acid buret was recorded, and then 10 mL of hydrochloric acid was moved into an Erlenmeyer flesk. The final volume was recorded in the data table. From this information, the actual volume of the acid recorded in the data table....
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acid-basetitrations - Lab: Acid-Base Titrations...

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