Odpowiedź :
a) H2SO4+2NaOH--->Na2SO4+2H2O
2H+ +SO4 2- +2Na+ +2OH- --->2Na+ +SO4 2- +2H2O
2H+ +2OH- --->2H2O
b) Mg+2HCl--->MgCl2+H2
c) K2SO4--H2O-->2K+ +SO4 2-
a) H2SO4+2NaOH--->Na2SO4+2H2O
2H+ +SO4 2- +2Na+ +2OH- --->2Na+ +SO4 2- +2H2O
2H+ +2OH- --->2H2O
b) Mg+2HCl--->MgCl2+H2
c) K2SO4--H2O-->2K+ +SO4 2-