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For each of the following solutions, calculate the initial pH and the final pH after adding...

For each of the following solutions, calculate the initial pH and the final pH after adding 0.010 mol of NaOH

290.0 mL of a buffer solution that is 0.210 M in HCHO2 and 0.290 M in KCHO2

290.0 mL of a buffer solution that is 0.295 M in CH3CH2NH2 and 0.265 M in CH3CH2NH3Cl

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