28g de hierro reaccionan con oxigeno para dar 34g de dioxido de hierro. calcular el rendimiento de ta reaccion. Fe + O Fe2O3

i just got this problem. it's 90.3

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be

elements make up everything, and they combine to make compounds.

the answer is c