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1. A buffer solution contains 0.375 M C 6 H 5 NH 3 Br and 0.452 M C 6 H 5 NH 2 ( aniline

1. A buffer solution contains 0.375 M C6H5NH3Br and 0.452 M C6H5NH2 (aniline). Determine the pH change when 0.130 mol HCl is added to 1.00 L of the buffer. pH after addition pH before addition = pH change =

2. Determine the pH change when 0.082 mol NaOH is added to 1.00 L of a buffer solution that is 0.332 M in HCN and 0.312 M in CN-. pH after addition pH before addition = pH change =

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