140. Solving a chemistry problem

140. Solving a chemistry problem

101. The analyzed HCl solution was diluted in a volumetric flask to 100.0 ml and an aliquot of 25.00 ml was titrated potentiometrically with 0.1000 M KOH, determine the mass (mg) of HCl in the solution according to the following data - Table 37.
Table 37
V, ml
(KOH) 10.0 18.0 19.0 19.9 20.0 20.1 21.0 22.0
pH 1.48 2.28 2.59 3.60 7.00 10.60 11.49 11.68

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