For each of the following solutions, calculate the initial pH and the final Ph after adding 0.005 mol of NaOH

a) For 300.0 ml of pure water, calculate the initial and the final after adding 0.005 mol of NaOh

b) For 300.0 mL of a buffer solution that is 0.245 M in HCHO2 and 0.310 M in KCHO2 , calculate the initial and the final after adding 0.005 mol of NAOH.

c) For 300.0 mL of a buffer solution that is 0.325M in CH3CH2NH2 and 0.300 in CH3CH2NH3CL, calculate the initial and the final after adding 0.005 mol of NaOH.

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