Which One of the Following Pairs Cannot Be Mixed Together

question 77

Multiple Choice

Which one of the following pairs cannot be mixed together to form a buffer solution?

• A)NH₃, NH₄Cl
• B)NaC₂H₃O₂, HCl (C₂H₃O₂^- = acetate)
• C)RbOH, HBr
• D)KOH, HF
• E)H₃PO₄, KH₂PO₄

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