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Logarithmic Functions

5. BONUS: Mathematical Operations and Functions / Logarithmic Functions / 문제 5

문제 5

A buffer system in a biological sample has a pH of 7.4. If the pK_a of the weak acid is 7.2, what is the ratio of the conjugate base to the weak acid in the buffer?

A

1.58

B

0.63

C

2.00

D

1.00