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Old Jan 21st 2015, 11:07 PM   #1
JasonHerbalExt
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Which pair of solutes could be used to prepare an aqueous buffer solution with a pH <

Which pair of solutes could be used to prepare an aqueous buffer solution with a pH < 7?

(A) HCl NH4Cl (B) HF NaF
(C) NH3 NH4Cl (D) NaOH NaCl
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