# brainywaney

Most popular questions and responses by brainywaney-
## science

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

*asked on April 20, 2007* -
## science

rearrange the following equations to make x the subject: sx2 r= - 2t 6y=9-3x thaks any ideas would be great hey , i see u got ur mailing of the ECA as well , i find it hard too maybe we cod help each other out yeh i did! it looks quite hard so any help

*asked on April 20, 2007*