Lập PTHH : 1, Fe + HNO3 ---> Fe ( NO3)3 +N2 +H2O; 2, Na + H2SO4 --->Na2so4 + SO2 + H2O ; 3, NH3+ O2--->NO+H2O; 4, NH3 +O2--->N2+H2O; 5, H2S+O2--->S +H2O; 6, P+KCLO3--->P2O5+KCL; 7, Fe2o3 + CO --->Fe3O4+CO2; 8, Fe2O3+CO--->Fe +CO2; 9, Al +Fe2O3--->AL2O3+Fe ; 10, P + HNO3+H2O--->H3PO4+NO; 11,P+ H2SO4---> H3PO4 +SO2+H2O; 12, Fe3O4+CO=>Fe +co2; 13, Zn +HNO3 --->Zn (NO3)2 +NO2+H2O; 15, AL +H2SO4---> AL2(SO4)3+H2S+H2O; 16, AL + HNO3--->AL(NO3)3 +NH4NO3+H2O MONG MN GIÚP ĐỠ MK CHO 5 SAO