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乙醇结构式测定的新方法宣兴市中学（２１４２００）徐申扬装置如图：实验操作：在烧瓶Ｂ里灌满水，塞上带双导管橡皮塞，使引出的短导管和乳胶管里也充满水，夹上止水夹，倒置过来固定在铁架台上。将５０ｍｌ注射器润滑后并使注射器前端导管也充满水，按装置图连接好。这...
A new method for determining the structural formula of ethanol. Xuanxing Middle School (214200) Xu Shenyang The device is shown in figure: Experimental operation: Fill the flask B with water and stuff it with double-conduit rubber stoppers to fill the short tubes and latex tubes. Clip the water stop clip and set it upside down on the iron stand. Lubricate the 50ml syringe and fill the front end of the syringe with water. Connect the device according to the diagram. This...