139. Solving a chemistry problem

139. Solving a chemistry problem

100. The analyzed HCl solution was diluted in a volumetric flask to 100.0 ml and an aliquot of 20.00 ml was titrated potentiometrically with 0.0100 M NaOH, determine the mass (mg) of HCl in the solution according to the following data - Table 36.
Table 36
V, ml (NaOH) 1.5 1.8 1.9 1.95 1.98 2.00 2.02 2.05 2.10
pH 2.64 3.05 3.36 3.64 4.05 6.98 9.95 10.53 10.65

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