A.11.2L | B.22.4L | C.33.6L | D.44.8L |
A.1mol H2 | B.1molFe | C.1mol小米 | D.1mol NH3 |
A.13g | B.26g | C.27g | D.54g |
A.1mol/L | B.0.1mol/L | C.2mol/L | D.0.2mol/L |
A.0.3 mol/L | B.0.03 mol/L | C.0.05 mol/L | D.0.04 mol/L |
A.标准状况下,11.2L的戊烷所含的分子数为0.5NA |
B.28g乙烯所含共用电子对数目为4NA |
C.标准状况下,11.2 L二氯甲烷所含分子数为0.5 NA |
D.现有乙烯、丙烯、丁烯的混合气体共14g,其原子数为3 NA |
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