下列实验能达到预期目的的是a.木炭代替红磷用燃烧法做实验测空气中氧气的体积分数b.用托盘天平称取858g的食盐固体c.用带火星的木条检验 Template




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tomski下列实验能达到预期目的的是a.木炭代替红磷用燃烧法做实验测空气中氧气的体积分数b.用托盘天平称取858g的食盐固体c.用带火星的木条检验 coloring