In which layer can we find the methyl salicylate crude product?     aqueous layer     organic layer (b) What is the purpose of washing the organic layer with sodium bicarbonate solution?     remove traces of salicylic acid     remove traces of acetic acid     remove traces of water      traces of methanol

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A:

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Micelles and Biological Membrane

Micelles are the type of lipid molecules that organize themselves in spherical shape in aqueous solutions. The production of the micelle is a reply to the amphipathic behavior of fatty acids. It means that they consist of both hydrophobic regions and hydrophilic regions. In micelles, polar head groups (hydrophilic groups) produce an outer layer associated with water whereas nonpolar tails (hydrophobic groups) are organized in the interior.