Homework Help: science

Posted by brainywaney on Friday, April 20, 2007 at 11:11am.

if one mole of the compound AL4C3 has a mass of 144g and mole of carbon has a mass of 12g, calculate the relative atomic mass of the element aluminium

any ideas to the answer would be great thanks

4*(Al, amu)+ 3*12 = 144
Solve for "Al,amu", the atomic mass of Al

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