搜索 - 科创

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用了100ml2醇、50ml2醚和50ml水作溶剂原料是500g橘皮得到的产物就是现在这样的橘皮精油的溶液还有一点植物色素吧不想分离如果分离出来就没多少了这样挺好的上图:索提蒸馏装置 ...

第一个.氯酸钾和硫磺反应的比百分比.第二个氯酸钾和三硫化二锑反应的比百分比/第三个氯酸钾和铝粉反应的比百分比.都要正氧平衡的.由于本人的数学白痴..所以都请来帮忙 [s:92] .还有我想用2克的硫化...

5H2 化学方程式反应现象应用 2Mg+O2点燃或Δ2MgO 剧烈燃烧.耀眼白光.生成白色固体.放热.产生大量白烟白色信号弹 2Hg+O2点燃或Δ2HgO 银白液体、生成红色固体拉瓦锡实验 2Cu

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