if one mole of the compound Al4C3 has a mass of 144g and one mole of carbon has a mass of 12g, calculate the relative atomic mass of the element aluminium.
Subtract 3*12 from 144 (ie, 108)
Relative atomic mass= (108/4)/12
Subtract 3*12 from 144 (ie, 108)
Relative atomic mass= (108/4)/12