The following data were obtained for the absorption by a dye dissolved in methylbenzene using a 2.50 mm cell. Calculate the molar absorption coefficient of the dye at the wavelength employed:
[dye]/mol dm-3) 0.0010 0.0050 0.0100 0.0500
TI(per cent) 73 21 4.2 1.33 x 10-5