4. The graph below shows the titration curve that results when 50. mL of 0.50 M tromethamine is titrated with 0.100 M HC1. 12 A 10 B C 8 D 6 4 E 2 F -2 50 100 150 200 250 300 350 Volof HCI a. Label each of the parts on the graph including, buffer zone, optimum buffer zone, equivalence point, and equivalence point. 12 4 b. Determine the Kp for tromethamine using graph above. You must justify your answer by showing all of your work.

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Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.