a) KOH+HCl--->KCl+H2O
K+ +OH- +H+ +Cl- --->K+ +Cl- +H2O
OH- +H+ --->H2O
2 K+2 HCl--->2 KCl+H2
2 K +2 H+ +2 Cl- --->2 K+ +2 Cl- +H2
2 K +2 H+ --->2 K+ +H2
K2O+2 HCl--->2 KCl+H2O
K2O +2 H+ +2 Cl- --->2 K+ +2 Cl- +H2O
K2O +2 H+ --->2 K+ +H2O
2 K+Cl2--->2 KCl
2 K +Cl2 --->2 K+ +2 Cl-
b) Mg(OH)2+2 HNO3--->Mg(NO3)2+2 H2O
Mg2+ +2 OH- +2 H+ +2 NO3- --->Mg2+ +2 NO3- +2 H2O
2 OH- +2 H+ --->2 H2O
Mg+2 HNO3--->Mg(NO3)2+H2
Mg +2 H+ +2 NO3- --->Mg2+ +2 NO3- +H2
Mg +2 H+ --->Mg2+ +H2
MgO+2 HNO3--->Mg(NO3)2+H2O
MgO +2 H+ +2 NO3- --->Mg2+ +2 NO3- +H2O
MgO +2 H+ --->Mg2+ +H2O
Mg(OH)2+N2O5--->Mg(NO3)2+H2O
Mg2+ +2 OH- +N2O5 --->Mg2+ +2 NO3- +H2O
2 OH- +N2O5 --->2 NO3- +H2O
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a) KOH+HCl--->KCl+H2O
K+ +OH- +H+ +Cl- --->K+ +Cl- +H2O
OH- +H+ --->H2O
2 K+2 HCl--->2 KCl+H2
2 K +2 H+ +2 Cl- --->2 K+ +2 Cl- +H2
2 K +2 H+ --->2 K+ +H2
K2O+2 HCl--->2 KCl+H2O
K2O +2 H+ +2 Cl- --->2 K+ +2 Cl- +H2O
K2O +2 H+ --->2 K+ +H2O
2 K+Cl2--->2 KCl
2 K +Cl2 --->2 K+ +2 Cl-
b) Mg(OH)2+2 HNO3--->Mg(NO3)2+2 H2O
Mg2+ +2 OH- +2 H+ +2 NO3- --->Mg2+ +2 NO3- +2 H2O
2 OH- +2 H+ --->2 H2O
Mg+2 HNO3--->Mg(NO3)2+H2
Mg +2 H+ +2 NO3- --->Mg2+ +2 NO3- +H2
Mg +2 H+ --->Mg2+ +H2
MgO+2 HNO3--->Mg(NO3)2+H2O
MgO +2 H+ +2 NO3- --->Mg2+ +2 NO3- +H2O
MgO +2 H+ --->Mg2+ +H2O
Mg(OH)2+N2O5--->Mg(NO3)2+H2O
Mg2+ +2 OH- +N2O5 --->Mg2+ +2 NO3- +H2O
2 OH- +N2O5 --->2 NO3- +H2O