A.NH3+HNO3====NH4NO3 |
B.2NH3+3MgMg3N2+3H2 |
C.8NH3+3Cl2====N2+6NH4Cl |
D.4NH3+5O24NO+6H2O |
A.Fe3++ S2-====Fe2++S | B.Fe3++Fe="===2" Fe2+ |
C.Fe2++Cl2====Fe3++2 Cl- | D.2 Fe3++2I-="===2" Fe2++I2 |
A.①和② | B.③和④ | C.④和⑤ | D.只有③ |
A.2x | B.4 | C.y/2 | D.2 |
A.2 mol Fe | B.6 mol OH- | C.6 mol I- | D.6 mol Li |
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