Lab 7 Data Table

Lab 7 Data Table - (77,80 TC19 Label(e.g MA01 Symbol of the...

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21:03:19 01/23/2012 Name: Liz Zharovsky Bench: C19 Lab day: Tuesday Date: 11/8/2011 Lab section: 2 TABLE OF DATA AND RESULTS Label of your unknown liquid (e.g. MA01): TC19 Density of Unknown Liquid I II III Uncertainty Wt.- empty flask (g) 37.1455 40.5170 38.9597 +/- 0.0001 Wt.- flask+liquid (g) 46.0208 49.4629 47.9336 +/- 0.0001 Wt. liquid (g) 8.87530 8.94590 8.97390 +/- 0.00014 Volume (mL) 10.00 10.00 10.00 +/- 0.01 Density (g/mL) 0.8875 0.8946 0.8974 0.893 Standard deviation, s (g/mL) 0.005 RSD (%) 0.569 4.30 0.013 95% confidence interval: (.880, .906) Boiling Point of Liquid Atmospheric pressure: 774.5 mmHg I II III 79 80 79 79 0.577 RSD (%) 0.73 4.30 1.4 95% Confidence interval:
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Unformatted text preview: (77,80) TC19 Label (e.g. MA01) Symbol of the liquid: (e.g. A-1) I II III E-2 E-4 E-3 Density True value (g/mL) 0.900 0.870 0.887 0.778 2.58 0.672 Boiling point 77.0 89.0 101.6 2.6 11 22 2.7 11 22 *Sorted list order 1 2 3 *enter numbers 1,2,3,4 (1 corresponds to the liquid with the highest probability of being your unknown) Average density (g/mL) t 95% ts/N 1/2 Boiling Point ( o C) Average b.pt. ( o C) Standard deviation, s ( o C) t 95% ts/N 1/2 Unknown liquid identification REA d (%) True normal b.pt.( o C) REA bp (%) REA liquid (%)...
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This note was uploaded on 01/23/2012 for the course CHEM 18a taught by Professor Dolnik during the Fall '06 term at Brandeis.

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