某学习小组为探究co2与过氧化钠反应时是否需要与水接触,设计了如图实验装置:实验步骤如下:步骤1:先打开k2,关闭k1,然后打开分液漏斗活塞 Template




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tomski某学习小组为探究co2与过氧化钠反应时是否需要与水接触,设计了如图实验装置:实验步骤如下:步骤1:先打开k2,关闭k1,然后打开分液漏斗活塞 coloring