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钠离子氯离子钾离子等是否可以通过半透膜？求大神帮助

2025-03-15 05:03:12

推荐回答（2个）

回答1：

半透膜一般透过100nm一下的物体。像淀粉属于胶体，大于100nm就过不了了。溶液的成分都在100nm一下，都是过的了的。

回答2：

钠钾氯这些离子能通过像淀粉，应该不能一般透过1nm一下的物体大于1nm就是胶体了胶体范围在1～100nm

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