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１ 构造用一般的白色玻璃粘一个２００ｍｍ×６０ｍｍ×１２０ｍｍ中间有活动隔板的水槽。２ 作用２．１ 演示液体的扩散ａ．方法：先配制两杯密度相同的硫酸铜溶液和盐水溶液（在体积相等的两杯水中分别放入适量的、等质量的硫酸铜和食盐），将隔板插上，在水槽两边分别盛?
1 Structure Use a normal white glass to glue a 200mm x 60mm x 120mm sink with an active partition. 2 Effect 2.1 Demonstration of liquid diffusion a. Method: First, prepare two cups of copper sulfate solution and saline solution with the same density (in the same volume of two cups of water, put the appropriate amount of copper sulfate and the same amount of salt respectively), and insert the separators on both sides of the sink.