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Which of the Following Is Not a Conjugate Acid-Base Pair

Question 115

Multiple Choice

Which of the following is not a conjugate acid-base pair

A) H₃PO₄ and H₂PO₄^-
B) H₂PO₄^- and HPO₄^2-
C) H₃PO₄ and HPO₄^2-
D) HPO₄^2- and PO₄^3-
E) H₂O and H₃O⁺

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