1)NaCl+AgNo3--->NaNo3+AgCl
Na+Cl+Ag+No3--->Na+No3+AgCl
Ag+Cl--->AgCl
2)K2So3+H2So4>K2So4+H2So3
2K+So3+2H+So4>2K+So4+2H+So3
<
>
3) Ba(OH)2+2HCl--->BaCl2+2H20
Ba+2OH+2H+2Cl> Ba+2Cl+2H2O
2OH+2H--->2H2O
4) MgCl2+Na2So4>MgSo4+2NaCl
Mg+2Cl+2Na+So4>Mg+So4+2Na+2Cl
1)NaCl+AgNO3=NaNO3+AgCl↓
Na+ + Cl- + Ag+ + NO3 - =Na+ + No3- +AgCl
Ag+ + Cl- =AgCl
2)K2SO3+2H2SO4(конц.)=2KHSO4+SO2+H2O
3)Ba(OH)2+2HCl=BaCl2+2H2O
Ba 2+ + 2OH- + 2H+ + 2Cl- =Ba 2+ + 2Cl- + 2H2O
2H+ + 2OH- =2H2O
H+ + OH- =H2O
4)MgCl2+Na2SO4=реакция не пойдет
1)NaCl+AgNo3--->NaNo3+AgCl
Na+Cl+Ag+No3--->Na+No3+AgCl
Ag+Cl--->AgCl
2)K2So3+H2So4>K2So4+H2So3
2K+So3+2H+So4>2K+So4+2H+So3
<
>
3) Ba(OH)2+2HCl--->BaCl2+2H20
Ba+2OH+2H+2Cl> Ba+2Cl+2H2O
2OH+2H--->2H2O
4) MgCl2+Na2So4>MgSo4+2NaCl
Mg+2Cl+2Na+So4>Mg+So4+2Na+2Cl
>
<
1)NaCl+AgNO3=NaNO3+AgCl↓
Na+ + Cl- + Ag+ + NO3 - =Na+ + No3- +AgCl
Ag+ + Cl- =AgCl
2)K2SO3+2H2SO4(конц.)=2KHSO4+SO2+H2O
3)Ba(OH)2+2HCl=BaCl2+2H2O
Ba 2+ + 2OH- + 2H+ + 2Cl- =Ba 2+ + 2Cl- + 2H2O
2H+ + 2OH- =2H2O
H+ + OH- =H2O
4)MgCl2+Na2SO4=реакция не пойдет