We're being asked to determine the incorrect statement considering the titration of 50.0 mL of a 0.100 M solution of a weak base, B with 0.100 M HCl.
Analyzing each statement:
a. The pOH when 25 mL of the HCl have been added is equal to the pKb of B.
Consider the titration of 50.0 mL of a 0.100 M solution of the weak base, B with 0.100 M HCl. Which of the following statements is false?
a. The pOH when 25 mL of the HCl have been added is equal to the pKb of B.
b. The major substance present in solution (other than water) when 50 mL of the HCl have been added is BH+.
c. The major substance present in solution (other than water) when 0 mL of the HCl have been added is B.
d. The pH when 50 mL of the HCl have been added is equal to 7.
e. The major substances present in solution (other than water) when 25 mL of the HCl have been added are B and BH+.
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