Question
Write equations to show what happens when, to a buffer solution containing equimolar amounts of $\mathrm{HPO}_{4}^{2-}$ and $\mathrm{H}_{2} \mathrm{PO}_{4}^{-},$ we add(a) $\mathrm{H}_{3} \mathrm{O}^{+}$(b) $\mathrm{OH}^{-}$
Step 1
The reaction can be represented as follows: \[\mathrm{H}_{3} \mathrm{O}^{+} + \mathrm{HPO}_{4}^{2-} \rightarrow \mathrm{H}_{2} \mathrm{PO}_{4}^{-} + \mathrm{H}_{2} \mathrm{O}\] Show more…
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