Coke and Diet Coke cans have the same amount of liquid in them. But Diet Coke cans float and regular Coke cans sink. This is because Coke is a denser fluid than Diet Coke. Here's why. Follow BI ...

When submerged in water, Diet Coke floats while regular Coke sinks. A regular Coke can is denser than water due to a large amount of dissolved sugar and sinks. A Diet Coke can replaces the sugar with ...