# Water 30 ml beaker empty beaker g beaker water g mass

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Water 30 mL beaker Empty beaker (g) Beaker + water (g) Mass of water (g) Density (g/mL) Trial 1 24.399 g 27.791 g 3.392 g 0.7 g/mL Trial 2 24.371 g 26.150 g 1.779 g 0.4 g/mL Trial 3 24.383 g 27.629 g 3.246 g 0.6 g/mL Graduated Cylinder Empty beaker (g) Beaker + water (g) Mass of water (g) Density (g/mL) Trial 1 24.372 g 28.865 g 4.493 g 0.90 g/mL Trial 2 24.375 g 29.085 g 4.71 g 0.94 g/mL Trial 3 24.393 g 28.998 g 4.605 g 0.92 g/mL Volumetric Pipette Empty beaker (g) Beaker + water (g) Mass of water (g) Density (g/mL) 3 Z. Baranova Revised by P. Sotelo. Spring 2020
Determination of Density Trial 1 24.435 g 26.708 g 2.273 g 0.455 g/mL Trail 2 24.105 g 26.157 g 2.052 g 0.410 g/mL Trial 3 24.285 g 26.127 g 1.842 g 0.368 g/mL (2 pts) DQ2. Based on your entries in Table 1, what is the average density of deionized water resulting from your measurements with: (a) a beaker (b) a graduated cylinder and (c) a volumetric pipette?
(10 pts) Table 2: A sample table summarizing measurements leading to the density of a solution. Saline Solution 30 mL beaker Empty beaker (g) Beaker + water (g) Mass of water (g) Density (g/mL) Trial 1 24.485g 28.193g 3.708g 0.7 g/mL Trial 2 24.429g 27.906g 3.477g 0.7 g/mL Trial 3 24.403g 28.039g 3.636g 0.7 g/mL Graduated Cylinder Empty beaker (g) Beaker + water (g) Mass of water (g) Density (g/mL) Trial 1 24.378g 29.636g 5.258g 1.05 g/mL Trial 2 24.425g 29.590g 5.165g 1.03 g/mL Trial 3 24.418g 29.533g 5.115g 1.02 g/mL Volumetric Pipette Empty beaker (g) Beaker + water (g) Mass of water (g) Density (g/mL) 4 Z. Baranova Revised by P. Sotelo. Spring 2020
(2 pts) DQ3. Based on your entries in Table 2, what is the average density of your saline solution resulting from your measurements with: (a) a beaker (b) a graduated cylinder and (c) a volumetric pipette?