(2007•攀枝花)某化学兴趣小组通过实验测出,人在呼吸中各种气体的体积分数如下表所示:气体吸入气体呼出气体X78%75%Y21%15%C020.03%3.68%H200.06%5.44%其他0.91%0.88%(1)请你判断:X气体是 .
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![(2007•攀枝花)某化学兴趣小组通过实验测出,人在呼吸中各种气体的体积分数如下表所示:气体吸入气体呼出气体X78%75%Y21%15%C020.03%3.68%H200.06%5.44%其他0.91%0.88%(1)请你判断:X气体是 .](/uploads/image/z/8016400-64-0.jpg?t=%EF%BC%882007%26%238226%3B%E6%94%80%E6%9E%9D%E8%8A%B1%EF%BC%89%E6%9F%90%E5%8C%96%E5%AD%A6%E5%85%B4%E8%B6%A3%E5%B0%8F%E7%BB%84%E9%80%9A%E8%BF%87%E5%AE%9E%E9%AA%8C%E6%B5%8B%E5%87%BA%2C%E4%BA%BA%E5%9C%A8%E5%91%BC%E5%90%B8%E4%B8%AD%E5%90%84%E7%A7%8D%E6%B0%94%E4%BD%93%E7%9A%84%E4%BD%93%E7%A7%AF%E5%88%86%E6%95%B0%E5%A6%82%E4%B8%8B%E8%A1%A8%E6%89%80%E7%A4%BA%EF%BC%9A%E6%B0%94%E4%BD%93%E5%90%B8%E5%85%A5%E6%B0%94%E4%BD%93%E5%91%BC%E5%87%BA%E6%B0%94%E4%BD%93X78%2575%25Y21%2515%25C020.03%253.68%25H200.06%255.44%25%E5%85%B6%E4%BB%960.91%250.88%25%EF%BC%881%EF%BC%89%E8%AF%B7%E4%BD%A0%E5%88%A4%E6%96%AD%EF%BC%9AX%E6%B0%94%E4%BD%93%E6%98%AF+%EF%BC%8E)
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