3СuSO4 + 2Na3PO4 = Cu3(PO4)2↓ + 3Na2SO4 - М.И.У
3Cu[2+]
+ 3SO4[2-] + 6Na[+] + 2PO4[3-] = Cu3(PO4)2↓ + 6Na[+] + 3SO4[2-] - П.И.У
3Cu[2+]
+ 2PO4[3-] = Cu3(PO4)2↓ - С.И.У
3СoCl2 + 2Na3PO4 = Co3(PO4)2↓ + 6NaCl - М.И.У
3Co[2+] +
6Cl[-] + 6Na[+] + 2PO4[3-] = Co3(PO4)2↓ + 6Na[+] + 6Cl[-] - П.И.У
3Co[2+]
+ 2PO4[3-] = Co3(PO4)2↓ - С.И.У
(NH4)2Cr2O7 + AgNo3 = Ag2Cr2O7 + 2NH4NO3
2NH4[+]+ Cr2O7[2-] + Ag[+] + No3[-] = Ag2Cr2O7↓
+ 2NH4[+] + 2NO3[-]
Cr2O7[2-] + Ag[+] = Ag2Cr2O7↓