Question

помогите,с чем знаете ,30б

Answer 1

3. CuSO4+2KOH=Cu(OH)2=K2SO4
H2S+CuCl2=2HCl+CuS
Cu(OH)2+2HCl=CuCl2+2H2O
Pb(NO3)2+2NaCl=PbCl2+2NaNO3
BaCl2+H2SO4=BaSO4+2HCL
Na2CO3+2HCl=2NaCl+CO2+H2O
Mg(OH)2+2HNO3=Mg(NO3)2+2H2O
3CuCl2+2Na3PO4=Cu3(PO4)2+6NaCl