avogadrolab

avogadrolab - Approximating Avogadro's Number 3/4/08 Sec....

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Approximating Avogadro’s Number 3/4/08 Sec. 2013 Chem 01 Darlington Mlambo Chelsey Turner
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Approximating Avogadro’s Number Purpose: The purpose of this experiment was to determine the diameter and volume of glass beads and molecules. We did this by using macroscopic properties to determine the properties that we could not see (microscopic properties). Procedure: There are two parts to this experiment. The first part is to determine the diameter of glass beads. We first obtained the molar mass and density of the beads (see data). We then measured the internal diameter as well as the mass of the Petrie dish. The glass beads provided were then added to the Petrie dish, creating a monolayer of as many beads as possible in one layer. The dish plus the beads was then weighed to obtain the mass of the beads. This procedure was then repeated three times to increase the accuracy of the results. The second part of the experiment is to determine the diameter of the molecular film. 25 mL of distilled water was added to a 125 mL Ehrlenmeyer flask and weighed. 5 mL of the alcohol solution was added to a test tube provided, and then covered with a stopper to prevent
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This note was uploaded on 04/07/2008 for the course CHEM 001 taught by Professor Babikov during the Spring '08 term at Marquette.

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avogadrolab - Approximating Avogadro's Number 3/4/08 Sec....

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