Phosphorous acid, H, PO, (aq), is a diprotic oxyacid that is an important compound in industry and agriculture. pKal pKa2 но -HO- 1.30 6.70 Calculate the pH for each of the points in the titration of 50.0 mL of 1.8 M H,PO, (aq) with 1.8 M KOH(aq). before addition of any KOH: 0.05 after addition of 25.0 mL KOH: 1.3 Incorrect after addition of 50.0 mL KOH: 4.0 after addition of 75.0 mL KOH: 6.7 after addition of 100.0 mL KOH: 10.32

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