write an equation for this lab and explain the observations that would occur: measure out 10 mL portion of 10% sodium sulphate into a clean test tube. Add 8 drops of 50% sulphuric acid and swirl. Count the number of drops (swirl after each drop) of 30% calcium chloride needed to produce a precipitate of calcium suplhate.

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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.