Experiment 1 - Results and Discussion: The densities of an...

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Results and Discussion: The densities of an unknown solid and an unknown liquid were determined by using a procedure that would allow for the densities to be calculated in the most accurate and precise manner possible. The calculated densities were then compared to a set of accepted values in order to determine the identities of the unknown substances. Three experimental trials were performed for each substance. The results are as shown below in Tables 1 and 2. Table 1: Density of Unknown Liquid Trial Mass (g) Volume (mL) Density (g/mL) 1 6.618 10.00 .6618 2 6.538 10.00 .6538 3 6.539 10.00 .6539 Table 2: Density of Unknown Solid Trial Mass (g) Volume (mL) Density (g/mL) 1 7.852 1.000 7.852 2 7.853 1.000 7.853 3 7.852 1.000 7.852 The densities were calculated from the measured masses and volumes. An example of such calculations, using Table 2 Trial 1 Data, is shown below: Density= Mass/ Volume; D= M/V M: 7.852 g V: 1.000 mL D: 7.852 g/ 1.000mL = 7.852 g/mL The averages (means) of the densities of the liquid and solid, respectively,
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This note was uploaded on 04/12/2008 for the course CHEM 2070 taught by Professor Chirik,p during the Fall '05 term at Cornell University (Engineering School).

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Experiment 1 - Results and Discussion: The densities of an...

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