Chemistry help please? PLEASE explain your answers, thanks!?

Hi---Could someone please help me??? I am struggling! PLEASE explain your answers so I can follow you. Thanks to all. All help is greatly appreciated! :)


What is the empirical formula & empirical formula mass for each of the following compounds?

(a)C2H4
(b)C2H6O2
(c)N2O5
(d)Ba3(PO4)2
(e)Te4I16
3 answers 3