将4.6g金属钠在空气中小心加热,使其燃烧,得到 7g燃烧产物1.求燃烧产物中Na2O和Na2O2的质量之比.燃烧产物中氧元素的质量为(7-4.6)g=2.4g 为什么
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![将4.6g金属钠在空气中小心加热,使其燃烧,得到 7g燃烧产物1.求燃烧产物中Na2O和Na2O2的质量之比.燃烧产物中氧元素的质量为(7-4.6)g=2.4g 为什么](/uploads/image/z/3425871-39-1.jpg?t=%E5%B0%864.6g%E9%87%91%E5%B1%9E%E9%92%A0%E5%9C%A8%E7%A9%BA%E6%B0%94%E4%B8%AD%E5%B0%8F%E5%BF%83%E5%8A%A0%E7%83%AD%2C%E4%BD%BF%E5%85%B6%E7%87%83%E7%83%A7%2C%E5%BE%97%E5%88%B0+7g%E7%87%83%E7%83%A7%E4%BA%A7%E7%89%A91.%E6%B1%82%E7%87%83%E7%83%A7%E4%BA%A7%E7%89%A9%E4%B8%ADNa2O%E5%92%8CNa2O2%E7%9A%84%E8%B4%A8%E9%87%8F%E4%B9%8B%E6%AF%94.%E7%87%83%E7%83%A7%E4%BA%A7%E7%89%A9%E4%B8%AD%E6%B0%A7%E5%85%83%E7%B4%A0%E7%9A%84%E8%B4%A8%E9%87%8F%E4%B8%BA%EF%BC%887-4.6%EF%BC%89g%3D2.4g+%E4%B8%BA%E4%BB%80%E4%B9%88)
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