CHM 2046L Lab Report #1 - Measurement and Proper Use of...

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Measurement and Proper Use of Glassware Brett Larose CHM 2046L Section # 19 1/27/2009
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Objectives The main purpose of this experiment is to understand the limitations of the glassware used to carry out chemical experiments, while understanding how to specifically measure different substances. Three different types of glassware will be used to measure water, and comparing the results to the class values will assess the accuracy of each particular glassware. Another crucial component of this experiment is understanding how to use the correct amount of significant figures in measurements and calculations, along with diluting a solution. Materials/Equipment 50-mL Graduated cylinder 50-mL Pipet and bulb (2) 100-mL volumetric flask 250 mL Beaker Top loading balance Disposable pipet 100-mL Graduated cylinder 100-mL Beaker Analytical Balance Thermometer 5-mL Pipet and bulb Copper Sulfate Pentahydrate (solid)
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Procedure There were three total parts to this experiment. The first part, or part A, was to determine the mass of 50 mL of water transferred from a graduated cylinder to a beaker, and to accurately deliver 50 mL of water from a pipet to a volumetric flask. In Part B of this experiment, 50 mL of water was transferred using a 100 mL graduated cylinder to an empty 100 mL beaker that was previously weighed. The beaker
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CHM 2046L Lab Report #1 - Measurement and Proper Use of...

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