Plot potentiometric titration curves in pH-V and ∆рН/∆V – V coordinates and determine the concentration (mol/l) of the CH3СООН solution if the following results were obtained when titrating 10.00 ml of this acid with 0.1000 M KOH:
V(KOH), ml 15.00 18.00 19.00 19.50 19.90 20.00 20.10 20.50 21.00
рН 5.22 5.71 6.04 6.35 7.05 8.79 10.52 11.22 11.51
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