Multiple Choice
Which is the best choice for preparing a buffer with a pH of 3.5?
A) C5H5O5COOH, Ka = 4.0 × 10-6
B) HOC6H4OCOOH, Ka = 1.0 × 10-3
C) HBrO, Ka = 2.3 × 10-9
D) C6H4(COOH) 2, Ka = 2.9 × 10-4
E) CH3COOH, Ka = 1.8 ×10-5
Correct Answer:
Verified
Correct Answer:
Verified
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