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general chemistry help 16.24A
For each of the following solutions, calculate the initial pH and the final pH after adding 0.005 mol of NaOH.
300.0 mL of pure water
300.0 mL of a buffer solution that is 0.215 M in HCHO2 and 0.295 M in KCHO2
300.0 mL of a buffer solution that is 0.275 M in CH3CH2NH2 and 0.245 M in CH3CH2NH3Cl