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

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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 0.0150 mol of NaOH.

A.For 210.0 mL of pure water, calculate the initial pH and the final pH after adding 0.0150 mol of NaOH.

B. For 210.0 mL of a buffer solution that is 0.245 M in HCHO2 and 0.315 M in KCHO2, calculate the initial pH and the final pH after adding 0.0150 mol of NaOH(Ka=1.8⋅10−4).

C. For 210.0 mL of a buffer solution that is 0.3251 M in CH3CH2NH2 and 0.2951 M in CH3CH2NH3Cl, calculate the initial pH and the final pH after adding 0.0150 mol of NaOH(Kb=5.6⋅10−4).

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