In an Aspirin synthesis, 2.00 g salicylic acid and 5.0 ml acetic anhydride were used. What is the theoretical yield of aspirin? C7H603 + C4H603 --> CgHg04 + C2H402 Salicylic acid Acetic anhydride Aspirin Acetic acid Salicylic acid Acetic anhydride Aspirin MW (g/mol) density (g/mL) 01.5 g 138.12 102.09 180.17 1.0820 O 9.5 g 3.5 g 2.6 g

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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.