127. Задачка по химии №012 7347

Plot the potentiometric titration curves in the E-V and ΔE/ΔV coordinates and calculate the concentration of HCl in the solution (g/l), if the following results were obtained when titrating 20 cm3 of the analyzed acid solution with 0.1000 N NaOH solution near the equivalence point (V is the volume of added titrant ):

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