Density - Density, Accuracy, Precision, and Significant...

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Unformatted text preview: Density, Accuracy, Precision, and Significant Figures Chemistry 001-A First Laboratory Exercise September 6, 2007 Lab Section 2119 Course Number 1391 Yanyan Huang Amanda Quella Purpose : In this lab, we took different measurements of volumes and masses to determine different values of density. Also, we were supposed to keep in mind the value of being accurate and precise in our measurements. We did this by keeping the correct number of significant figures in each measurement. Procedure: See Notebook Data : Part I Mass of Flask: 9.308 g Mass of Salt: 2.944 g Volume: 10.00 mL Mass of Solution and Flask: 19.902 g Density: 1.0594 g/mL Part II: Section 1 Mass of Beaker: 29.751 g Volume: 30.0 mL Total Mass: 55.512 g Density: 0.8647 g/mL Part II: Section 2 Mass of Gradulated Cylinder: 23.918 g Mass of Cylinder and Salt: 50.838 g Volume: 24.9 mL Density: 1.081 g/mL Part II: Section 3 Mass of beaker: 29.925 g Liquid before Buret: 16.78 mL Mass of Liquid and Beaker: 56.485 g Density: 1.0624 g/mL Part II: Section 4 Empty Beaker Mass: 29.431 g Volume: 25.00 mL Total Mass (Beaker and Liquid): 56.606 g Mass of Liquid: 27.175 g Density: 1.087 g/mL Part III Volume, mL...
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Density - Density, Accuracy, Precision, and Significant...

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