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A pipette is quite accurate. So yes weighing the contents of one into a vessel to get the weight (mass) would be an accurate way of measuring density.
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∙ 11y ago
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How would the accuracy of your determined Keq change if all your volume measurements were made with?
If all volume measurements were taken with a graduated cylinder instead of a pipet, the measurements would not be accurate. If something requires a pipet to be measured, it is a very small amount and a graduated cylinder would not be the proper measurement device.
Suppose that after delivery several drops of the water cling to the inner wall of the pipet because the pipet wall is dirty How does this technique error affect the reported density of the solid?
If water droplets stick to the inside of the pipet it will cause the volume of the water to be a lower value then what the pipet is calibrated to therefore the density of the water will be higher. It will affect it, because the mass that you are weighting will be greater than it should be, and this will give you a greater density.
How do you calibrate a pipet?
A pipet is calibrated by pouring a liquid of known volume into it and taking the reading in order to determine by how much it might be deviating. This technique is regarded as a quantitative method.
An alternative procedure for determining the density of a liquid would be to pipet a sample of the liquid into a weighed flask then reweigh the flask to determine the mass of liquid transferred?
Yes, pipetting the liquid into a weighed flask and then weighing it again would give you an indication of the density of the liquid. The answer would, however, not be as accurate as when you use specialized equipment for the measurement. Depending on your application this difference might or might not be significant. If you are in doubt and a hurry it could be best to do your measurement the way you described it and state your method clearly in your report. Just remember to use as big a volume as possible (eg. a 100ml pipette), to minimse the effect of possible pipetting inaccuracies (eg. parralax error, ect.).
What is direct calibration?
volume of water delivered by a buret or pipet, or contained in a volumetric flask, is obtained directly from weight of the water and its density
The effect of vapor condensation in the neck a beryl type pipet have on the reported molar mass?
it would give a higher molar mass b/c we are actually measuring the condensed liquid so the measured pipet would give higher mass. the higher the pipet is the higher molar mass.
What is Saint-Baudille-et-Pipet's population?
Saint-Baudille-et-Pipet's population is 232.
What is the pipet use for?
In one type of experiment, a pipet is used to distribute DNA information. The process is used in Gel Electrophoresis. With the pipet you syphon the DNA material and the chemicals used to bring out the genetic information and you squirt it into the notches in the gel. That is how a pipet is used in one instance.
Why do you never pipet by mouth in the chemistry lab?
Pipetting by mouth risks ingesting the chemical you are trying to suck into the pipet. Even if the solution is harmless, you can't be sure that the pipet itself is clean. Who knows what chemical was in it last? Instead, use a pipet bulb or syringe to draw up the solution. These are generally available in any laboratory where you might need to use a pipet.
A pipet delievers 9.98g of water at 20 degrees celsius What volume does the pipet deliver?
10.0cm^3
What is serological pipet?
That would be a small glass tube used to collect or hold a blood sample.
What is the area of Saint-Baudille-et-Pipet?
The area of Saint-Baudille-et-Pipet is 36 square kilometers.
