Analytical Chemistry

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.

  1. 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
  2. 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

ACED ESSAYS