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The dibasic compund B(pkb1=4.00),pkb2=8.00 was titrated with 1.00 M HCl. the intial solution of B was 0.100M and had a volume of 100.0mL.
A) At what volumes are the two equivalence points?
B) find the pH at the folowing volumes of acid added(Va) and sketch a graph of pH versus Va: 0.0,5.0,10.0,15.0,20.0 and 22.0ml

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