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Why does 1 cup water 1 cup rubbing alcohol equal less than 2 cups?
Wiki User
∙ 15y ago
Because water and rubbing alcohol are mutually soluble. Liquids have quite a bit of empty space between the molecules. When something is soluble, its molecules will fit in the spaces between the molecules of the liquid. So water molecules fit in beween alcohol molecules, alcohol molecules fit in between water molecules, and the mixture takes up less room than the 2 separate liquids.
Wiki User
∙ 15y ago
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