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**Amie.s.m** · 2022-07-27T18:45:04

پاسخ : دستگاه مه ساز در پارتی ها

How To Remove Ethanol From Gasoline - Sciencing

https://sciencing.com/remove-ethanol-gasoline-7830109.html

Anyone with a sufficient understanding of solubility can extract the ethanol from gasoline using little more than water. Chemists have an old axiom that “like dissolves like” with regard to polarity. That is, polar compounds dissolve other polar compounds and nonpolar compounds dissolve other nonpolar compounds. Water is polar, whereas gasoline is nonpolar. Ethanol exhibits moderate polarity and mixes with gasoline. The ethanol, however, dissolves better in water. Thus, if a person mixes gasoline and water, the two liquids will separate into layers with the water on the bottom. Vigorous mixing of the mixture, however, will transfer the ethanol from the gasoline to the water, where it is more soluble. The separation is then just a matter of “pouring off” the gasoline. Chemists perform this operation somewhat more elegantly with a piece of glassware called a separatory funnel, which simply consists of a cone-shaped flask with a rotating valve at the bottom.

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