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For 230.0 mL of a buffer solution that is 0.320 M in CH3CH2NH2 and 0.290 M...

For 230.0 mL of a buffer solution that is 0.320 M in CH3CH2NH2 and 0.290 M in CH3CH2NH3Cl, calculate the initial pH and 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 HCHO2 and 0.275 M in KCHO2, calculate the initial pH and the final pH after adding 0.010 mol of NaOH.

b) For 230.0 mL of a buffer solution that is 0.320 M in CH3CH2NH2 and 0.290 M in CH3CH2NH3Cl, calculate the initial pH and the final pH after adding 0.010 mol of NaOH.

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