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Which Is the Best Acid to Prepare a Buffer with the Lowest

Question 124

Multiple Choice

Which is the best acid to prepare a buffer with the lowest pH?


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:

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