lab-1postlab - Sam Eichenblatt A2 Post lab 1 DATA WORKUP A)...

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Sam Eichenblatt A2 Post lab 1 DATA WORKUP A) The percent error of each packet is the following: 11.3% 5.8% 5% 5.6% 10.3% The average mass is: 1.076g The standard deviation of these masses is: 0.0296 These masses are all very close to 1 gram, and this is shown by the low standard deviation number B) Graduated Cylinder: Volume 9.756 ml 9.7 ml 9.759 ml Average: 9.738 ml Standard Deviation: 0.033 Serological Pipet Volume 9.948 ml 9.996 ml 9.95 ml Average: 9.952 ml Standard Deviation: 0 .059
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Volumetric Pipet Volume 9.92 ml 9.914 ml 9.92 ml Average: 9.918 ml Standard Deviation: 0.003ror 5 The volumetric pipet is obviously the most accurate measuring device judging by the standard deviation. C) Transmittance: 0.6823 Percent Transmittance: 68.23% DISCUSSION QUESTIONS A) 1) The manufacturer’s ability to precisely place 1 g of artificial sugar is very accurate. The percent error of most packets was under 10% and the ability to consistintly measure within 0.1 grams is extremely impressive. 2)
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This note was uploaded on 09/07/2010 for the course CHEM 1310 taught by Professor Cox during the Fall '08 term at Georgia Institute of Technology.

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lab-1postlab - Sam Eichenblatt A2 Post lab 1 DATA WORKUP A)...

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