Chem1_Lab Report 8

Chem1_Lab Report 8 - Lab Report 8: Standard Curves and...

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Lab Report 8: Standard Curves and Volumetric Glassware Chemistry 1 Teddy Portney June 25, 2007 Summer 1, 2007 1. Purpose: The purpose of this experiment was to practice using different glassware, as well as refresh our memory as to the production of different concentrations of solutions. We also created a standard curve to aid in the conversion between concentration of solutions and the absorbance of light of the solutions. 2. Experimental Methods: The procedure was followed as described in the handout from Chemistry 1, Summer 2007 at Tufts University for experiment 8; Standard Curves and Volumetric Glassware. 3. Data and Observations: For this lab, we made a table of absorbance versus concentration for six samples of diluted food dye, each with different concentration. Plotting these six data points on a graph, we create a standard curve, with which we can find the concentration of some unknown samples. Here is a table of our samples for the Red #40 dye, as well as the corresponding standard curve. When we took the unknown samples of Kool-aid and Gatorade, the absorbances
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Chem1_Lab Report 8 - Lab Report 8: Standard Curves and...

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