2CLabManual201303

Make sure that you avoid unauthorized collaboration

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Unformatted text preview: riment. 76 Safety: Place all waste solutions/precipitates into the proper waste container. Wear your goggles! PROCEDURE You will work in pairs on this experiment. The actual data analyses and the written reports must be done entirely independently of your lab partner or other students. Make sure that you avoid unauthorized collaboration and plagiarism. All suspected violations of the Code of Academic Conduct will be referred to Student Judicial Affairs. Part I. Preparation of solutions You will be grouped by your TA in order to prepare the following solutions in a timely manner. Titrant Solution. Prepare about 500 mL of an NBS titrant solution by dissolving approximately 100 mg of NBS in a 1 L bottle that is about half-full of deionized water. Primary Standard. Accurately weigh ca. 100 mg of ascorbic acid and transfer it quantitatively to your 250 mL volumetric flask. Add ca. 2 g of oxalic acid to the flask, partially fill it with deionized water and swirl until the solids have dissolved. Continue gradually adding water and swirling the flask to keep the co...
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This note was uploaded on 04/09/2013 for the course CHE CHE 2C taught by Professor Nasiri during the Spring '07 term at UC Davis.

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