84. Solving a chemistry problem
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3. A sample of o-nitroaniline weighing 0.0240 g was dissolved in 25.0 ml of anhydrous acetic acid and a 10.00 ml aliquot was titrated with a 0.040 M solution of HClO4 spectrophotometrically. Plot a titration curve and calculate the mass fraction (%) of amine in the sample using the following data
V(HClO4) 0.0 0.50 1.00 1.50 2.00 2.50 3.00
A 0.600 0.420 0.250 0.180 0.180 0.180
V(HClO4) 0.0 0.50 1.00 1.50 2.00 2.50 3.00
A 0.600 0.420 0.250 0.180 0.180 0.180
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