Why does Diet Coke float and Regular Coke sink?

Answer

Regular Coke contains a significant amount of sugar, which makes it denser than water, so it sinks. Diet Coke, which is sugarless, is less dense than water, so it floats.

Although the cans of Diet and regular Coke are the same size, the large amount of sweetener in regular Coke means that there is more matter in the sugared variety. That difference shows up when the two are placed into water. Compared to the many grams of sugar that are part of the recipe for regular Coke, very little sweetener is needed for Diet Coke. The sugar-free version uses a relatively small amount of aspartame.

Q&A Related to "Why does Diet Coke float and Regular Coke sink..."
It is less dense than regular soda because of the lack of SUGAR durrr.
http://wiki.answers.com/Q/Why_does_the_Diet_Coke_f...
Diet Coke floats because it is less dense than the liquid that it is floating in. This may be due to the artificial sweeteners that are used to make it as opposed to the real sugar
http://www.ask.com/web-answers/Reference/Other/why...
Density determines how much liquid is displaced. Density is usually
http://www.chacha.com/question/why-do-diet-cokes-f...
Because of the sugar content. .The regular has quite a bit of sugar and makes the can more dense. The artificial sweetner in diet makes the can lighter (less dense) and ables it to
http://answers.yahoo.com/question/index?qid=200608...
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