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65发烟硫酸的解释
更新时间: 2020-07-09 00:00:00  

1、65%发烟硫酸指的是三氧化硫的含量为65%。

2、发烟硫酸,也就是三氧化硫的硫酸溶液。无色至浅棕色粘稠发烟液体,其密度、熔点、沸点因三氧化硫含量不同而异。当它暴露于空气中时,挥发出来的三氧化硫和空气中的水蒸气形成硫酸的细小露滴而冒烟,所以称之为发烟硫酸。

关键词: 硫酸 解释

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