You are titrating a 25.00 mL solution of 2,4-dinitrophenol (25.60 mM) with a 40.00 mM
NaOH titrant. Determine the pH of the solution after the addition of the volume of titrant
indicated in the table below.

2. A 35.00 mL solution of disodium phthalate (10.25 mM) is titrated with 25.00 mM HCl.
   Determine the pH of the solution after the addition of the volume of titrant indicated in the
   table below.
   Vol. Titrant Added Solution pH
   0.00 mL
   5.68 mL
   14.92 mL
   16.00 mL
   18.50 mL
   Vol. Titrant Added Solution pH
   0.00 mL
   4.82 mL
   14.35 mL
   18.00 mL
   20.65 mL
   28.70 mL
3. A 40.00 mL solution contains each of the following bases at their respective
   concentrations. The solution is titrated with a 0.200 M solution of HNO3. Determine the pH
   of the solution at the titration volumes listed in the table below.
   • 8.00 mM ethylamine
   • 6.00 mM sodium glutamine (sodium salt of glutamine)
   • 5.00 mM sodium succinate
   Vol. Titrant Added Solution pH
   0.00 mL
   0.98 mL
   1.87 mL
   3.15 mL
   4.68 mL
   5.25 mL

Sample Solution

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