A student uses a volumetric pipet calibrated to deliver exactly 50.0mL of a liquid and then...

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Chemistry

A student uses a volumetric pipet calibrated todeliver exactly 50.0mL of a liquid and then measures the mass ofthe liquid. how is the density determination of the liquid affectedin the situations which follow? Would the density increase,decrease, or not be affected? Explain your answers
a. dirty pipet is used and water droplets adhere tothe inner walls of the pipet
b. the student did not allow sufficient time for allthe liquid to empty from the pipet
c. the student blew out all the liquid from the pipet,including the small amount from the tip.
d. the student did not remove air bubbles from thepipet before delivering the liquid
e. after mark on the pipet, the student didn't readthe upper edge of the meniscus, not the lowest point on theCurve.

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Density MassVolume a Dirty pipet contains some dust if the dust mass is greater than that of the liquid occuping the same volume the mass will increase So density will increase But if the dust mass is lower than that See Answer

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