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Identify the conjugate acid-base pairs in the equilibrium H2AsO4–(aq) + PO43–(aq) ⇌ HAsO42–(aq) + HPO42–(aq) acid1...

Identify the conjugate acid-base pairs in the equilibrium

H2AsO4–(aq) + PO43–(aq) ⇌ HAsO42–(aq) + HPO42–(aq)

acid1 base1 acid2 base2
A H2AsO4– PO43– HAsO42– HPO42–
B HAsO42– PO43– H2AsO4– HAsO42–
C HAsO42– H2AsO4– HPO42– PO43–
D HPO42– H2AsO4– HAsO42– PO43–
E HPO42– PO43– H2AsO4– HAsO42–
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