Which acid-base combination is depicted by this titration curve? (The marker is located at titrant volume where the titration solution pH equals 7.)
a. Titration of a weak base with a strong acid.
b. Titration of a weak acid with a strong base.
c. Titration of a strong acid with a strong base.
d. Titration of a strong base with a strong acid.
e. Not enough information provided.
Answer: A