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Density Column


Can of Coke

Can of Diet Coke

4L beaker of water

OPTION: pan balance & two 500 mL grad. cyl.



Place both cans in the beaker of water.  The regular coke will sink to the bottom while the diet coke will float. (make sure that no air is trapped below the cans or they will both float).  Regular coke is about 10% sugar by weight.

OPTION: The density of each solution can be determined by taking the weight and the volume.


Discussion:  Actual densities: Coke – 1.042g/mL; Diet Coke – 0.997g/mL




To schedule a demonstration, please send an email to the demonstration lab.



Eric Camp

Lecture Demonstration Technician

Bagley Hall 171

(206) 543-1606


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