15.grupa p.s.e.

VladimirGM 5's picture

Napisi jednacine u molekulskom i jonskom obliku: 1)NH4CL+NaOH 2)K2HPO4+H2O 3)NaNO2+H2O

milicaradenkovic's picture

1) NH4Cl+NaOH------------->NaCl+H2O+NH3

NH4+ + Cl- +Na+ +OH- ----------------->Na+ + Cl- + NH3+H2O

2) K2HPO4+H2O---------->K2HPO4+H2O

2K+ + HPO42- +H2O---------------->2K+ + H2PO42- + H2O

3) NaNO2+H2O--------------->NaNO2+H2O

Na+ + NO2- +H2O---------------->Na+ +NO2- +H2O