Multiple Choice
Which of the following acids should be used to prepare a buffer with a pH of 4.5?
A) HOC 6H 4OCOOH, K a = 1.0 × 10 −3
B) C 6H 4(COOH) 2, K a = 2.9 × 10 −4
C) CH 3COOH, K a = 1.8 × 10 −5
D) C 5H 5O 5COOH, K a = 4.0 × 10 −6
E) HBrO, K a = 2.3 × 10 −9
Correct Answer:
Verified
Correct Answer:
Verified
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