a) Ba(OH)2 +2HNO3 = Ba(NO3)2 + 2H2O Ba2+ + 2OH- + 2H+ + 2NO3- = Ba2+ + 2NO3- + 2H2O 2OH- + 2H+ =2H2O/:2 OH- + H+ =H2O b) 2KOH + H2SO4 = K2SO4 + 2H2O 2K+ + 2OH- + 2H+ + SO42- =2K+ + SO42- + 2H2O 2OH- + 2H+ =2H2O/:2 OH- + H+ =H2O c) Ca(OH)2 + 2 HMnO4 = Ca(MnO4)2 + 2H2O Ca2+ + 2OH- + 2H+ + 2MnO4- = Ca2+ + 2MnO4- + 2H2O 2OH- + 2H+ =2H2O/:2 OH- + H+ =H2O d) 2LiOH + H2CrO4 = Li2CrO4 + 2 H2O 2Li+ + 2OH- + 2H+ + CrO42- = 2Li+ + CrO42- + 2H2O 2OH- + 2H+ =2H2O/:2 OH- + H+ =H2O
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a) Ba(OH)2 +2HNO3 = Ba(NO3)2 + 2H2O
Ba2+ + 2OH- + 2H+ + 2NO3- = Ba2+ + 2NO3- + 2H2O
2OH- + 2H+ =2H2O/:2
OH- + H+ =H2O
b) 2KOH + H2SO4 = K2SO4 + 2H2O
2K+ + 2OH- + 2H+ + SO42- =2K+ + SO42- + 2H2O
2OH- + 2H+ =2H2O/:2
OH- + H+ =H2O
c) Ca(OH)2 + 2 HMnO4 = Ca(MnO4)2 + 2H2O
Ca2+ + 2OH- + 2H+ + 2MnO4- = Ca2+ + 2MnO4- + 2H2O
2OH- + 2H+ =2H2O/:2
OH- + H+ =H2O
d) 2LiOH + H2CrO4 = Li2CrO4 + 2 H2O
2Li+ + 2OH- + 2H+ + CrO42- = 2Li+ + CrO42- + 2H2O
2OH- + 2H+ =2H2O/:2
OH- + H+ =H2O