常温时,乙烷,乙炔,丙烯和氢气的混合气体32ml(其中乙烷与丙烯的体积比为5:1)与过量的氧气混合点燃后,恢复到原来的温度和压强,气体体积缩小了72ml,则原混合气体中丙烯的体积数是___我是
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![常温时,乙烷,乙炔,丙烯和氢气的混合气体32ml(其中乙烷与丙烯的体积比为5:1)与过量的氧气混合点燃后,恢复到原来的温度和压强,气体体积缩小了72ml,则原混合气体中丙烯的体积数是___我是](/uploads/image/z/152663-23-3.jpg?t=%E5%B8%B8%E6%B8%A9%E6%97%B6%2C%E4%B9%99%E7%83%B7%2C%E4%B9%99%E7%82%94%2C%E4%B8%99%E7%83%AF%E5%92%8C%E6%B0%A2%E6%B0%94%E7%9A%84%E6%B7%B7%E5%90%88%E6%B0%94%E4%BD%9332ml%EF%BC%88%E5%85%B6%E4%B8%AD%E4%B9%99%E7%83%B7%E4%B8%8E%E4%B8%99%E7%83%AF%E7%9A%84%E4%BD%93%E7%A7%AF%E6%AF%94%E4%B8%BA5%EF%BC%9A1%EF%BC%89%E4%B8%8E%E8%BF%87%E9%87%8F%E7%9A%84%E6%B0%A7%E6%B0%94%E6%B7%B7%E5%90%88%E7%82%B9%E7%87%83%E5%90%8E%2C%E6%81%A2%E5%A4%8D%E5%88%B0%E5%8E%9F%E6%9D%A5%E7%9A%84%E6%B8%A9%E5%BA%A6%E5%92%8C%E5%8E%8B%E5%BC%BA%2C%E6%B0%94%E4%BD%93%E4%BD%93%E7%A7%AF%E7%BC%A9%E5%B0%8F%E4%BA%8672ml%2C%E5%88%99%E5%8E%9F%E6%B7%B7%E5%90%88%E6%B0%94%E4%BD%93%E4%B8%AD%E4%B8%99%E7%83%AF%E7%9A%84%E4%BD%93%E7%A7%AF%E6%95%B0%E6%98%AF___%E6%88%91%E6%98%AF)
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