(Solved): Phosphorous acid, H3PO3(aq), is a diprotic oxyacid that is an important compound in indus ...

Phosphorous acid, ${\mathrm{H}}_3{\mathrm{PO}}_3(\mathrm{aq})$, is a diprotic oxyacid that is an important compound in industry and agriculture. Calculate the $\mathrm{pH}$ for each of the points in the titration of $50.0\mathrm{mL}$ of $2.4\mathrm{M}{\mathrm{H}}_3{\mathrm{PO}}_3(\mathrm{aq})$ with $2.4\mathrm{M}\mathrm{KOH}(\mathrm{aq})$. before addition of any $\mathrm{KOH}$ : after addition of $25.0\mathrm{mL}\mathrm{KOH}$ : after addition of $50.0\mathrm{mL}\mathrm{KOH}$ : after addition of $75.0\mathrm{mL}\mathrm{KOH}$ : after addition of $100.0\mathrm{mL}\mathrm{KOH}$ :