densities of liquids and solids - Densities of Liquids and...

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Densities of Liquids and Solids by Irina Starkova Lab Instructur: Hasan Arslan September 3 rd , 2009
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Irina Starkova Lab Partner: Abby Report Results and Discussion The densities of an unknown solid and an unknown liquid were calculated using the volume and mass measurements for the unknown substances. Density was calculated by dividing the mass of the substances in grams by their respective volumes in milliliters. A practice procedure using water preceded these calculations. The mass of the beaker and the beaker with a known volume of water inside was measured using an electronic balance and then subtracted to calculate the mass of the water. The results of the practice procedure is shown in Table 1. Table 1: Water Density Data: and Results Trial Mass of beaker plus water Mass of beaker Mass of water Volume Density Trial 1 31.422 g 21.473 g 9.949 g 10.00 mL 0.9949 g/mL Trial 2 31.419 g 21.471g 9.948 g 10.00 mL 0.9948 g/mL Trial 3 31.419 g 21.472 g 9.947 g 10.00 mL 0.9947 g/mL Density = Mass ÷ Volume
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densities of liquids and solids - Densities of Liquids and...

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