Adinic acid, a compound used in making nylon,is 44.8% oxygen. There are 4 oxygen atoms per molecule. What is the nolecular mass of hexamethylendiamine

Asked by  | 12th May, 2012, 12:06: PM

Expert Answer:

Mass percentage = mass of an atom  X100 / molecular mass
             
44.8     =  16 x 4 x 100 / M
44.8 = 6400 /M
M = 6400 / 44.8
M= 142.8

Answered by  | 14th May, 2012, 06:55: PM

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