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Recent questions tagged telegram-3307

(chatquestion)...A physician wishes to prepare a buffer = 3.85 that efficiently resists changes in pH yet contains only small concentration of the buffering solution at pH agents. Which of the following weak acids together with its sodium salt would be best to use? (a) 2, 5-Dihydroxy benzoic acid (pka %3D 2.97) (b) Acetoacetic acid (pka = 3.58) (c) m-Chlorobenzoic acid (pK, = 3.98) (d) p-Chlorocinnamic acid (pK a = 4.41)

asked Jul 13, 2020 by 959363914

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