Which One of the Following Pairs Cannot Be Mixed Together

question 11

Multiple Choice

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

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

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