Eugenia1980radu Eugenia1980radu 05-10-2018 Chimie a fost răspuns corecteaza greselile Na 2+H2=NH3 Fe11+HCL=........+H2 Zn(OH)2+HNO3=...................+H2O Fe(OH)3=Fe2O3+H2O PbO2_PbO+O2 AlCl3+H2SO4_Al2(SO4)3+HCL