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Calculate the change in pH when 0.304 mol H+ is added to 1.00 L of each...

Calculate the change in pH when 0.304 mol H+ is added to 1.00 L of each of the following buffers.

Part 1: a 0.580 M solution of pyridine (py) containing 0.500 M pyH+

Change in pH=

Part 2: a 0.600 M solution of aniline (an) containing 0.880 M anH+

Change in pH=

Also, Pyridine and aniline are weak bases with pKb values of 9.40 and 8.77, respectively.

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