设阿伏加德罗常数的值为NA,下列说法中正确的是A.1mol苯乙烯中含有的C=C数为4NAB.2.8 g乙烯和丙烯的混合气体中所含碳原子数为0.2NAC.0.1molCnH2n+2中含有的C-C键数为0.1nNAD.标准状况下,2.24LCH
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![设阿伏加德罗常数的值为NA,下列说法中正确的是A.1mol苯乙烯中含有的C=C数为4NAB.2.8 g乙烯和丙烯的混合气体中所含碳原子数为0.2NAC.0.1molCnH2n+2中含有的C-C键数为0.1nNAD.标准状况下,2.24LCH](/uploads/image/z/12064034-2-4.jpg?t=%E8%AE%BE%E9%98%BF%E4%BC%8F%E5%8A%A0%E5%BE%B7%E7%BD%97%E5%B8%B8%E6%95%B0%E7%9A%84%E5%80%BC%E4%B8%BANA%2C%E4%B8%8B%E5%88%97%E8%AF%B4%E6%B3%95%E4%B8%AD%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AFA%EF%BC%8E1mol%E8%8B%AF%E4%B9%99%E7%83%AF%E4%B8%AD%E5%90%AB%E6%9C%89%E7%9A%84C%EF%BC%9DC%E6%95%B0%E4%B8%BA4NAB%EF%BC%8E2.8+g%E4%B9%99%E7%83%AF%E5%92%8C%E4%B8%99%E7%83%AF%E7%9A%84%E6%B7%B7%E5%90%88%E6%B0%94%E4%BD%93%E4%B8%AD%E6%89%80%E5%90%AB%E7%A2%B3%E5%8E%9F%E5%AD%90%E6%95%B0%E4%B8%BA0.2NAC%EF%BC%8E0.1molCnH2n%2B2%E4%B8%AD%E5%90%AB%E6%9C%89%E7%9A%84C%EF%BC%8DC%E9%94%AE%E6%95%B0%E4%B8%BA0.1nNAD%EF%BC%8E%E6%A0%87%E5%87%86%E7%8A%B6%E5%86%B5%E4%B8%8B%2C2.24LCH)
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