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OpenStudy (anonymous):
A 75.0-mL volume of 0.200 M NH3 (Kb=1.8×10−5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 28.0mL of HNO3.
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OpenStudy (vincent-lyon.fr):
First thing to do is to write down the equation of the reaction that is taking place.
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