Question: A pharmacist needs to prepare an extemporaneous solution of a 2% (w/V) antibiotic (weak acid) for a given patient. At what pH should this drug

A pharmacist needs to prepare an extemporaneous solution of a 2% (w/V) antibiotic (weak acid) for a given patient. At what pH should this drug be in solution to be soluble at the desired concentration?

Info: PM (acid) = 263; MW (sodium salt) = 285 Solubility in acid form = 3.1 mg / ml; Ka = 5.86 x 10-6

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