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Compute the pH after 0.015 mole of gaseous HCl is added to 274.0 mL of each of the subsequent buffered solutions. Presume that all solutions are at 25°C.
(a) 0.087 M C5H5N and 0.17 M C5H5NHCl
(b) 0.75 M C5H5N and 1.53 M C5H5NHCl
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