W(Ca)=28.03% w(Cl)=49.59% w(O)=22.38% найти формулу CaxClyOz
CaxCLyOz=28.03/40 :49.59/35.5 :22.38/16≈1 :1.5 :1.5=2:3:3 Ca2CL3O3
''''''''''''''''''"""""