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Experiment 2

# Experiment 2 - Experiment 2 Separation of the Components of...

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Experiment 2: Separation of the Components of a Mixture Jake Sieger Chemistry 121 10/06/11 T.A. – Teodora Zujovic Purpose : The purpose of this experiment is to determine the mass percent of each component of a mixture by separating the components.

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Procedure : Refer to pages 15-16 of General Chemistry Laboratory Experiments, Volume 1 by Robert Tatz and Judith Casey, Hayden-McNeil Publishing 2012. Report Sheet : See attached report sheet. Sample Calculations : Percent of organic component, X: 0.4892 g/1.2667 g = 0.3862 x 100= 38.62% Report Questions : 1. Total your percentages. Do they add to 100%? 38.62% + 54.05% + 1.57% = 94.24% If your percentages were less than 100% explain why. I believe my percentages were below 100% because when I was moving my watch glass filled with the organic solid to the back of my hood, I spilled a little of the organic solid. That probably accounts for the remaining 5.76% of solution that is missing from the experiment. 2. A student tipped the watch glass and spilled the solution containing organic component X. Use the data given below to estimate the percent of organic solid X
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