The extinction coefficient for NADH is 6220 M⁻1 cm⁻1 at 340 nm. Calculate the following:
a) The absorbance of a 2.2 × 10⁻⁵ M sample in a 1-cm cuvette at 340 nm
b) The absorbance of a 2.2 × 10⁻⁵ M sample in a 1-mm cuvette at 340 nm
c) The absorbance of a 1 mm sample in a 1-cm cuvette at 340 nm
a) 0.137
b) 0.0137
c) 1.37
d) 13.7
