Basic Laboratory Techniques in=27.5 cm in 2.54cm A. The Meterstick Length of this lab book 10.8 275 in. 27.5 cm in. 21-5 cm 215 mm 8.5 Width of this lab book Using an equation (including units), show that the above measurements are equivalent. -215 10.83 mi 2.54 mm- 27.5x10= 2750 Area of this lab book (show calculations) A=wl = 27.5 x 21.5 = 591.25 m=2750 /1000 = 0.215 591.25 cm B. The Graduated Cylinder Volume of water in graduated cylinder Volume of water contained in largest test tube REPORT SHEET C. The Thermometer and Its Calibration Observed temperature of water-and-ice mixture Temperature of boiling water Observed atmospheric pressure True (corrected) temperature of boiling water Thermometer correction. Temperature of water used in pipet Corrected temperature Mass of Erlenmeyer plus -10 mL HO (gross mass) Mass of Erlenmeyer (tare mass) Mass of ~10 mL of HO (net mass) Trial 1 46.569 36.579 36 N/A D. Using the Balance to Calibrate Your 10 mL Pipet 20.0 0.1 96.4 762 LOO 316 C C mL mL C C mm Hg C EXPERIMENT Trial 2 46.689 36.749 1 in = 21.5 cm x in 1 mm 0.275 m 0.215 m 2.54cm = 8.416 100-96-4 = 3,6 Trial 3 46.85g 36918 g 14 Report Sheet Basic Laboratory Techniques Volume delivered by 10 mL pipet (show calculations) Mean volume delivered by 10 ml. pipet (show calculations) Individual deviations from the mean Average deviation from the mean (show calculations) Volume delivered by your 10 mL pipet E. Measuring the Density of Antifreeze Temperature of antifreeze Mass of flask + antifreeze Mass of empty flask Mass of antifreeze Density of antifreeze (show calculations) Trial I Mean (average) density Average deviation from the mean (show calculations) Trial 1 C SIU Trial 2 mL 557 001 Trial 2 Are un mL mL Trial 3 mL Trial 3 ml