4 parts I'm unsure of.

EBK A SMALL SCALE APPROACH TO ORGANIC L
4th Edition
ISBN:9781305446021
Author:Lampman
Publisher:Lampman
Chapter2: Crystallization
Section: Chapter Questions
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4 parts I'm unsure of.

16
Gnalytical
(C). Calibration of an automatic delivery pipette
Volume of deionized water "theoretically" delivered by the pipette.O00 ml
Temperature of water used in the pipette
23
°C
Density of water at the observed temperature (see table)C.9976 g/ml
Trial 1
Trial 2
Trial 3
Trial 4
Trial 5
Mass of Erlenmeyer plus
aliquot of H20 (~1 ml)
10,9859 1.9846
e 12.9836 13.9826 14.9828
Mass of Erlenmeyer plus
one less aliquot (tare mass) 9846
9.9845 10.9849
12.9836 13,982x
Mass of~1 ml water
delivered by pipette
LO014 0.9987
0.9990 0.999O LDO02E
1,001 1,001 L.003 ml
Volume of water delivered
L.004
1.001
by pipette (show calculation)
V=m/d
Average volume delivered by 1 ml pipette
0,99966
ml
(show calculations) 1.0014 + 0.9987+0.9990+0.9990+1.0002
Trial 1
Trial 2
Trial 3
Trial 4
Trial 5
Individual deviations from the mean
ml
2.
Average deviation from the mean (show calculation)
ml
Standard deviation from the mean (show calculation)
ml
Volume delivered by pipette
土
ml
Comment on your lab technique based on the volume delivered and its standard devation.
Transcribed Image Text:16 Gnalytical (C). Calibration of an automatic delivery pipette Volume of deionized water "theoretically" delivered by the pipette.O00 ml Temperature of water used in the pipette 23 °C Density of water at the observed temperature (see table)C.9976 g/ml Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Mass of Erlenmeyer plus aliquot of H20 (~1 ml) 10,9859 1.9846 e 12.9836 13.9826 14.9828 Mass of Erlenmeyer plus one less aliquot (tare mass) 9846 9.9845 10.9849 12.9836 13,982x Mass of~1 ml water delivered by pipette LO014 0.9987 0.9990 0.999O LDO02E 1,001 1,001 L.003 ml Volume of water delivered L.004 1.001 by pipette (show calculation) V=m/d Average volume delivered by 1 ml pipette 0,99966 ml (show calculations) 1.0014 + 0.9987+0.9990+0.9990+1.0002 Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Individual deviations from the mean ml 2. Average deviation from the mean (show calculation) ml Standard deviation from the mean (show calculation) ml Volume delivered by pipette 土 ml Comment on your lab technique based on the volume delivered and its standard devation.
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