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Experiment 1 - Densities of Liquids and Solids Naoki John...

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Densities of Liquids and Solids Naoki John Yoshida Tyi McCray 09/15/2008
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Purpose The purpose of the laboratory experiment was to first confirm that the density of water is around 1.00g/mL. Afterwards, the densities of an unknown solid and an unknown liquid were determined to establish the identities of the two unknowns from a table. Data Water: Mass of 25mL Graduated Cylinder (g) 70.492 Mass of 25mL Graduated Cylinder and Water (g) 84.333 Mass of Water (g) 13.841 Volume of Water (mL) 14 Unknown Liquid N: Trial 1 Trial 2 Trial 3 Mass of beaker (g) 29.345 29.485 29.603 Mass of beaker and unknown 40.191 40.293 40.147
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liquid (g) Mass of unknown liquid (g) 10.846 10.808 10.544 Volume of unknown liquid (mL) 10.0 10.0 10.0 Solid 4: Trial 1 Trial 2 Trial 3 Trial 4 Combined mass of water and graduated 79.162 82.565 77.822 82.198
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cylinder (g) Volume of water (mL) 11 14.5 10 14 Combined mass of water, graduated cylinder, and solid (g) 89.189 92.578 87.918 92.211 Mass of solid (g) 10.027 10.013 10.096 10.013 Final volume in graduated cylinder (mL) 14.5 18 13.5 17.5 Volume of solid (mL) 3.5 3.5 3.5 3.5 Calculations Density Calculation of Water: = . =. mV 13 841g14mL 99gmL
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