Ag+HCl=
Na+H2O=
Zn+CuCl=
Ag+HCl=\\\\не идет 2Na + 2H₂O = 2NaOH + H₂ Zn+2CuCl=ZnCl₂ + 2Cu
2Ag+2HCl=2AgHl+H2 2Na+2H2O=2NaOH+H2 Zn+2CuCl=ZnCl2+2Cu