摘要:合成氨反应为3H2+N22NH3.其反应速率可能分别用VH2.VN2.VNH3表示则正确的关系式是 A.VH2=VN2=VNH3 B.VN2=3VH2 C.VNH3=3/2VH2 D.VH2=3·VN2

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