erickymolinero123 erickymolinero123 08-01-2021 Chemistry contestada 5. __HCl + __NaOH-> __NaCl + __H2O 6. __FeS + __HCl-> __H2S + __FeCl2 7. __C2H4 + __O2-> __CO2 + __H2O INEEDHELP