1)СH4 - 2CH3CL - CH6 - C2H5CL
2)CH4 - 2CH3CL - C2H6 - C2H$ - C2H5OH
2CH3COOH+MgCO3------>(CH3COO)2Mg+H2O+CO2;
<span>3СuSO4 + 2Na3PO4 = Cu3(PO4)2↓ + 3Na2SO4 - М.И.У</span>
<span>3Cu[2+]
+ 3SO4[2-] + 6Na[+] + 2PO4[3-] = Cu3(PO4)2↓ + 6Na[+] + 3SO4[2-] - П.И.У
</span><span>3Cu[2+]
+ 2PO4[3-] = Cu3(PO4)2↓ - С.И.У</span>
<span>3СoCl2 + 2Na3PO4 = Co3(PO4)2↓ + 6NaCl - М.И.У</span>
<span>3Co[2+] +
6Cl[-] + 6Na[+] + 2PO4[3-] = Co3(PO4)2↓ + 6Na[+] + 6Cl[-] - П.И.У</span>
<span>3Co[2+]
+ 2PO4[3-] = Co3(PO4)2↓ - С.И.У</span>
(NH4)2Cr2O7 + AgNo3 = Ag2Cr2O7 + 2NH4NO3
<span>2NH4[+]+ Cr2O7[2-] + Ag[+] + No3[-] = Ag2Cr2O7↓
+ 2NH4[+] + 2NO3[-]</span>
<span>Cr2O7[2-] + Ag[+] = Ag2Cr2O7<span>↓</span></span>
Если я правильно поняла задание, то вот: