Chemlab1 - Densities of Liquid and Solids By Matthew...

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Densities of Liquid and Solids By Matthew Schoifet Lab Instructor: Mike Coleman September 7, 2009
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The purpose of this experiment was to identify an unknown solid and liquid by determining the density experimentally. The precision of the electronic scale for determining mass and the process to determine density were first tested by experimentally calculating the density of 10.00mL of water. Table 1: Mass of Water Trail Mass of 10 mL H 2 O (g) 1 9.85 2 9.70 Average 9.78 The density of water was determined as follows: D = The density of water was determined relatively accurately but a possible source of error was that tap water was used instead of pure distilled water. Another possible source of error would be not drawing exactly 10.00mL of water from the pipette. Calculating the Density of a Solid: To calculate the density of the solid substance unknown #6 .The mass of unknown #6 was first determined using an electronic balance. Table 2: Mass of Unknown #6
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Chemlab1 - Densities of Liquid and Solids By Matthew...

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