HCl+KOH--->KCl+H2O
H+ +Cl- +K+ +OH- --->K+ +Cl- +H2O
H+ +OH- --->H2O
H2SO4+2NaOH--->Na2SO4+2H2O
2H+ +SO4 2- +2Na+ +2OH- --->2Na+ +SO4 2- +2H2O
2H+ +2OH- --->2H2O
2H3PO4+3Ba(OH)2--->Ba3(PO4)2+6H2O
6H+ +2PO4 3- +3Ba2+ +6OH- --->Ba3(PO4)2 +6H2O
