K3PO4
M(K3PO4)=39×3+31+16×4=212 г/моль
w(K)=(117/212)×100%=55.2%
w(P)=(31/212)×100%=14.6%
w(O)=(64/212)×100%=30.2%
K3PO4
M(K3PO4)=39×3+31+16×4=212 г/моль
w(K)=(117/212)×100%=55.2%
w(P)=(31/212)×100%=14.6%
w(O)=(64/212)×100%=30.2%