A solution of I2, in ethanol had a density of 0.794 g/cm3. A 1.50-cm layer was found to transmit 27.3% of the radiation from a Mo Ka source. Mass absorption coefficients for I. C, H, and O are 39.2,0.70.0.00, and 1.50, respectively.
(a) Calculate the percentage of I2, present, neglecting absorption by the alcohol.
(b) Correct the results in part (a) for the presence of alcohol.
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