For each of the following solutions, calculate the initial pHand the final pH after adding 0.010 mol of NaOH.
a) For 230.0 mL of a buffer solution that is 0.205 M in HCHO2and 0.275 M in KCHO2, calculate the initial pH and the final pHafter adding 0.010 mol of NaOH.
b) For 230.0 mL of a buffer solution that is 0.320 M inCH3CH2NH2 and 0.290 M in CH3CH2NH3Cl, calculate the initial pH andthe final pH after adding 0.010 mol of NaOH.