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  • What is mass in grams of an ethanol molecule, C2H5OH?

What is mass in grams of an ethanol molecule, C2H5OH?

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Mass of element are-

carbon---12.02 gm/mol
Hydrogen--1.01 gm/mol
Oxygen----16 gm/mol

C2H5Oh has - 2 C + 6 H + 1 O

so mass will be   = 2 x 12.02 + 6 x 1.01 + 1 x 16 = 24.04 + 6.06 + 16.00 =  46.1 gm/mol 

Posted by

sudhir.kumar

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