Which of the following is a solution with an initial KCOOH concentration of 1 M and an initial $$\(\mathrm{K}_{2} \mathrm{HPO}_{2}\)$$ concentration of 1 M ?
A.
a solution with a \(\mathrm{pH}> 7\), which is a buffer
B.
a solution with a \(\mathrm{pH}< 7\), which is not a buffer
C.
a solution with a \(\mathrm{pH}< 7\), which is a buffer
D.
a solution with a \(\mathrm{pH}> 7\), which is not a buffer
Exam No：AP Chemistry Practice Test Year：2024 Question No：3
Answer:
D
Knowledge points:
8.4 Acid-Base Reactions and Buffers
Solution:
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