I need help in find the solution and understanding the work process behind solve

Question

I need help in find the solution and understanding the work process behind solve the problems step by step. I would appreciate the help with these problems

1 lot 11. Caleulate the pH of a buffer that contains 1.0 x Lo M CH coOH and 1.ox i H COONa. K, for CH,COOH 1.8x 10 12. Circle the graph that represents the titration between a weak acid and a strong base. io Ptf mt HNog m Naot o H 13. Given the structure of adrenaline (epinephrine) ctt Ho a. Circle the functional groups b. Is the compound water soluble? Y/N c. Why/why not? Explain.

Explanation / Answer

12) third graph is of titration between weak acid and strong base as acid is weak so it will have high ph initially without adding the base.

13) a) It contain three OH group and one amino group ( NH)

b) Yes it is water soluble

c) because it contains hydroxyl group which will make hydrogen bonding with water and solubility is directly proportional to the number of hydrogen bonding.

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