Which of the following is the conjugate base of the \(\ce{H_2PO_4^- ion}\)?
- \(\ce{H_3PO_4}\)
- \(\ce{H_3PO_3}\)
- \(\ce{HPO_4^2-}\)
- \(\ce{HPO_3^2-}\)
CHEMISTRY, M6 2022 HSC 22
The following equation describes an equilibrium reaction.
\( \ce{HF(aq) + PO4^3-(aq) \rightleftharpoons HPO4^2-(aq) + F-(aq)} \)
Identify ONE base and its conjugate acid in the above equation. (2 marks)
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