Densities of Liquids and Solids

Densities of Liquids and Solids - Results and Discussion...

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Results and Discussion: The identities of an unknown solid and liquid were determined through measuring the densities of the two unknowns. Then, these densities were compared to a table of accepted densities of many different substances. In order to reveal the identities, measurements made during the lab had to be both precise and accurate. Five experimental trials were performed for the density of unknown solid #8. Five trials were needed because the density of the second trial was not precise when compared to the other trials and a more precise density was needed to ensure that the correct solid was identified. The data and calculated results were tabulated (Table 1) Table 1: Density of Unknown Solid #8 Trial # Mass (g) Volume (ml) Density (g/ml) 1 5.436 0.50 10.872 2 5.436 0.70 7.766 3 5.436 0.60 9.060 4 5.436 0.50 10.872 5 5.436 0.50 10.872 Three experimental trials were performed for the density of the unknown liquid. The data and calculated results were tabulated (Table 2) Table 2: Density of Unknown Liquid Trial # Mass (g) Volume (ml) Density (g/ml) 1 8.659 9.50 0.911 2 10.725 11.90 0.901 3 12.949
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