Знайти:(AgNO3) W(Ag) W(N) W(O) Na3PO4 W(Na) W(P) W(O)
Mr(AgNO3)=170 W(Ag)= 108/170 * 100% = 63,6% W(N)= 14/170 * 100% = 8,2% W(O)= 16*3 /170 * 100% =28,2% Mr(Na3PO4)=164 W(Na)= 3*23 / 164 * 100% = 42,1% W(P)=31/164 *100% = 18,9% W(O)= 16*4 / 164 * 100% = 39%