K3PO4
W%(K3)=K3*100%/K3PO4=39*3*100%/39*3+31+16*4=11700%/212=55,19%
W%(P)=P*100%/K3PO4=31*100%/ 39*3+31+16*4=3100%/212=14,61%
W%(O4)=O4*100%/K3PO4=16*4*100%/ 39*3+31+16*4=6400%/212=30,19%
K3PO4
W%(K3)=K3*100%/K3PO4=39*3*100%/39*3+31+16*4=11700%/212=55,19%
W%(P)=P*100%/K3PO4=31*100%/ 39*3+31+16*4=3100%/212=14,61%
W%(O4)=O4*100%/K3PO4=16*4*100%/ 39*3+31+16*4=6400%/212=30,19%