32. (3) A sample of the sample containing a mixture of

The seller is blocked and sales of the product are suspended

32. (3) A sample of the sample containing a mixture of amines and indifferent impurities weighing 0.0250 g was dissolved in anhydrous acetic acid and titrated with acetic acid solution of 0.08000 M HClO4. Build a titration curve and calculate the mass fraction (%) of amines in the mixture.
Option 3
p-nitrosodimethylaniline, m-nitroaniline
Optical density of the solution after adding HClO4
V, ml 0.4 0.6 0.8 1.0 1.2 1.4 1.4 1.6 1.8 2.0 2.0 2.2 2.4
A 0.330 0.260 0.190 0.160 0.140 0.125 0.100 0.075 0.060 0.060 0.060