What is the primary function of a buffer solution?
A.
To neutralize acidic or basic solutions completely.
B.
To resist changes in pH upon the addition of small amounts of acid or base.
C.
To act as a universal indicator for acid-base titrations.
D.
To provide a constant supply of H⁺ ions for reactions.
Exam No：AP Chemistry Problem Set 7 Year：2024 Question No：APChemistry2024AP0465
Answer:
B
Knowledge points:
4.8 Introduction to Acid-Base Reactions
Solution:
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