A.CH4C4H10 | B.C2H2C4H10 | C.C2H4C4H10 | D.C2H6C3H6 |
2.7g |
18g/mol |
5.5g |
44g/mol |
0.125mol |
0.05 |
0.15mol×2 |
0.05mol |
A.一定含有甲烷 | B.一定含有乙烯 |
C.一定含有苯 | D.一定不含乙烯 |
A.CH4、C3H4 | B.CH4、C2H4 | C.C2H4、C3H4 | D.C2H4、C2H6 |
A.①②③④⑥ | B.①③⑥ | C.①②④ | D.①② |
A.CH4 | B.C2H6 | C.C2H4 | D.C2H2 |
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