試題詳解

33. What is the concentration of an adenine solution whose absorbance at 257=0.330? (ɛm = 15,100) Assume path length = 1.00 cm.
(A) 2.18×10^-6 M
(B) 2.18 × 10^-5 M
(C) 3.3 × 10^-6 M
(D) 3.3 × 10^-5 M
(E) 6.6 × 10^-4 M