Homework Help: Chem

Posted by Mira on Friday, February 22, 2013 at 6:38pm.

Calculate the mass percent composition of C,H, O and in aspirin.
Express your answers using two significant figures. Enter your answers numerically separated by commas.

Chem - DrBob222, Friday, February 22, 2013 at 9:18pm
%C = (mass C/total mass)*100 = ?
%H = (mass H/tota mass)*100 = ?
etc.

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