Multiple Choice
Which of the following acids should be used to prepare a buffer with a pH of 4.5?
A) HOC6H4OCOOH, Ka = 1.0 × 10-3
B) C6H4(COOH) 2, Ka = 2.9 × 10-4
C) CH3COOH, Ka = 1.8 × 10-5
D) C5H5O5COOH, Ka = 4.0 × 10-6
E) HBrO, Ka = 2.3 × 10-9
Correct Answer:
Verified
Correct Answer:
Verified
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