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Physical Properties

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Question

calculate the molecular mass of chloroform, ethyl alcohol and nitric acid

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Solution

Dear student. 1.Mol.mass of Chloroform, CHCl3 =mol. Mass of C +Mass of hydrogen +3x Mass of chlorine. =12+1+335.5.= 119.5 g. 2.Mol.mass of ethyl alcohol, C2H5OH, =mol. Mass of C +mol. Mass of H +mol. Mass of O. =122+6*1+16.=46g Mass of HNO3=Mass of H atom + Mass of N atom + Mass of 3O atom = 1+14+(3Ã—16) = 63g. Regards

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