Răspuns:
Explicație:
MP2O3= 2.31 + 3 .16=110--------> 110g/moli
M(NH4)3PO4 = 3.14 +12 + 31 + 4.16=149 -------> 149g/moli
110g P2O3-----------62g P
218g P2O3---------------x
x= 218 . 62 : 110=122,87 g
149g (NH4)3 PO4---------31g P
yg (NH4)3PO4--------------122,87g P
y= 149 .122,87 : 31=590,58 g (NH4)3PO4
