The Conjugate Base of H₂PO₄ ^-1 Is

question 12

Multiple Choice

The conjugate base of H₂PO₄ ^-1 is:

• A) H₃PO₄.
• B) H₂PO₄^2-.
• C) HPO₄^2-.
• D) HPO₄^3-.
• E) PO₄^3-.

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