MCQ
The conjugate acid of $H_2PO_4^-$ is
- ✓$H_3PO_4$
- B$H_2PO_4^-$
- C$HPO_4^{-2}$
- D$PO_4^{-3}$
✓
Answer
Correct option: A.
$H_3PO_4$
a
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