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8 A sample of hexane contaminated with benzene ((C6H6, MW=78.11)) had an absorbance of 0.070 at 256 nm in a cuvet with a 5.000-cm pathlength.
8 A sample of hexane contaminated with benzene ((C6H6, MW=78.11)) had an absorbance of 0.070 at 256 nm in a cuvet with a 5.000-cm pathlength. Find the concentration of benzene in mg/L. molar absorptivity of benzene at this wavelength (2013 M-'cm) 1 54 45 3 E
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