Ba3(PO4)2 ABa=137 ,AP=31 ,AO =16
raport atomic 3Ba:2P:8 O=3:2:8
raport de masa ABa:AP:AO \ 3.137:2.31:8.16=411:62:128
Compozitie procentuala
MBa3(PO4)2 =3.137+2.31+8.16=411+62+128=601
601g Ba3(PO4)2---------411gBa---------62 gP----------128 g O
100 g--------------------------x------------------y----------------z
x=100.411:601=68,38 la suta Ba
y=100.62:601=10,31` la suta P
Z=100.128:601=21,29 la suta O
