Phosphorous acid, H3PO3(aq), is a diprotic oxyacid that is an important compound in industry and agriculture.
???1 | ???2 |
---|---|
1.30 | 6.70 |
Calculate the pH for each of the points in the titration of 50.0 mL of 2.4 M H3PO3(aq) with 2.4 M KOH(aq).
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:
after addition of 100.0 mL KOH:
Hence before addition of KOH pH is 0.49,
then at 25 ml of KOH addition pH is 1.30,
at 50mL pH is 4.00,
at 75 mL pH is 6.70 and
at 100 mL pH is 10.19.
Comment in case of any doubt.
Phosphorous acid, H3PO3(aq), is a diprotic oxyacid that is an important compound in industry and agriculture....
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