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（共10分）已知某有机物中n(C): n(H)='1,' 将W 1 g该有机物在足量氧气中充分燃烧，消耗标准状况下的氧气V L，产物只有CO 2 和H 2 O，且m(CO 2 )=w 2 g，m(H 2 O)=W 3 g。 （1）若通过计算来确定该有机物是否含氧，除已知的碳氢原子个数比外，还至少需上述数据中的____个，这几个数据的组合共有____种，将这些组合一一填入下列空格中。 说明：①选用V、W 1 、W 2 、W 3 表示，不必列出具体计算式； ②每个空格中填一种组合，有几种组合就填几种，不必填满。 （2）当W 1 与V之间满足____条件时，该有机物中一定没有氧原子，当W 1 与V之间满足____条件时，该有机物中一定含有氧原子。 （3）W 1 g有机物中含氧的质量为____g。（用含W 1 、W 2 的代数式表示）
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