M(Ca3(PO4)2)=310 г/моль w(Ca3)=120/310*100%=39% w(P2)=62/310*100%=20% w(O8)=100%-39%-20%=41%
n=310/24=13 моль
c.o. Ca (+2)
c.o.(PO4) (-3)
M(Ca3(PO4)2)=310 г/моль
w(Ca3)=120/310*100%=39%
w(P2)=62/310*100%=20%
w(O8)=100%-39%-20%=41%
n=310/24=13 моль