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A 25 mL sample of 0.200M NH3 was titrated with 0.200M HCl. Calculate the pH at each of the following points in the titration: 0.0 mL acid added; 10.0mL acid added;20.0 mL added;25.0 mL acid added;30.0 mL acid added
Kb =1.8 x10-5
Ka=3.63x10-13
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