Odpowiedź :
2KOH+H2SO3--->K2SO3+2H2O
2K+ +2OH- +2H+ +SO3 2- --->2K+ +SO3 2- +2H2O
2OH- +2H+ --->2H2O
siarczan(IV)potasu
Mg+2HNO3--->Mg(NO3)2+H2
Mg +2H+ +2NO3- --->Mg2+ +2NO3- +H2
Mg +2H+ --->Mg2+ +H2
azotan(V)magnezu
2KOH+H2SO3--->K2SO3+2H2O
2K+ +2OH- +2H+ +SO3 2- --->2K+ +SO3 2- +2H2O
2OH- +2H+ --->2H2O
siarczan(IV)potasu
Mg+2HNO3--->Mg(NO3)2+H2
Mg +2H+ +2NO3- --->Mg2+ +2NO3- +H2
Mg +2H+ --->Mg2+ +H2
azotan(V)magnezu