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Consider the titration of 30.0 mL of 0.050MNH3with 0.025MHCl. Calculate the pH after the following volumes of titrant have been added: (a)0 mL, (b)20.0 mL, (c)59.0 mL, (d)60.0 mL, (e)61.0 mL, (f)65.0 mL. 

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