Please help me, I'm about to throw my computer out the door
Calculate the mass percent composition of nitrogen in each nitrogen-containing compound
N2O5
I get the answer of 12.967917, it wants at least 3 digits and everything I put in it kicks back as wrong

Question

Please help me, I'm about to throw my computer out the door
Calculate the mass percent composition of nitrogen in each nitrogen-containing compound
N2O5
I get the answer of 12.967917, it wants at least 3 digits and everything I put in it kicks back as wrong

aaronq · Answer

read this: http://www.chem.tamu.edu/class/majors/tutorialnotefiles/percentcomp.htm

anonymous · Answer

ok, I didn't have the X2 in there,  all the others were one nitrogen so that makes sense now

aaronq · Answer

good stuff !