60. The Henderson-Hasselbalch equation (below) is widely used in biochemistry to calculate the pH of buffer solutions. When 100 mL of a 0.1 mM buffer solution made from acetic acid (pKa is 4.76.) and sodium acetate with pH 5.0 is diluted to 1 liter, what is the pH of the diluted solution?

(A) 4.50
(B) 4.76
(C) 5.00
(D) 5.32
(E) 5.54

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統計： A(0), B(1), C(1), D(0), E(1) #3847776