Hydrocortisone succinate (weak acid; pKa = 5.1) is a prodrug intended for formulating injections as the sodium salt. At which ONE of the following pH values would you expect this compound to be least soluble in water?单项选择题

题目图片
A

a. pH 8

B

b. pH 6

C

c. pH 4

D

d. pH 7.2

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