a Phenylephrine (PE, see the structure below) is a nasal decongestant and is the active ingredient in Sudafed, which contains phenylephrine hydrochloride (PEHCI). OH . CH3 A) In pharmaceuticals, it is common to coordinate bioactive molecules with either an acid or a base. Here, PE is coordinated with the acid HCL. Draw the structure of PEHCI, being explicit to show which atom in PE accepts the H" from HC. (2 pts) If the pka of PEHCI is 5.5, where is PE absorbed: the stomach (pH =2) or the small intestine (pH =8)? Provide a brief explanation to support your answer. (3 pts) B)