acetanilide (1) Identify the problem and determine a possible solution (Choose A-D). (II) Briefly explain your answer choice in 1-2 sentences. (A) Acetanilide is soluble in acetone. Use a less polar solvent like hexanes instead. (B) Acetanilide is not soluble in ethanol. Find an organic solvent which acetanilide is soluble in to see cloudiness. (C) Your sample is too impure. Perform an extraction first. (D) You forgot to add a drying agent. Add magnesium sulfate to begin seeing cloudiness.

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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.