Using the information from the preceding table, which of the following is the best choice for preparing a pH = 7.5 buffer?
A.
K₂HAsO₄ + K₃AsO₄
B.
K₂HAsO₄ + KH₂AsO₄
C.
K₃AsO₄
D.
K₂HAsO₄
Exam No：AP Chemistry Problem Set 2 Year：2024 Question No：APChemistry2024AP0358
Answer:
B
Knowledge points:
8.8 Properties of Buffers
Solution:
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