Phosphorous acid, H, PO, (aq), is a diprotic oxyacid that is an mportant compound in industry and agriculture. но- -OH 1.30 6.70 Calculate the pH for each of the points in the titration of 50.0 ml. of 2.1 M H, РО, са) with 2.1 M KОН(а). before addition of any KOH: after addition of 25.0 ml. KOH: after addition of 50.0 ml. KOH: after addition of 75.0 ml. KOH:

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