天气预报 > 教育 > 氢氧化钾溶解度
氢氧化钾溶解度
更新时间: 2021-05-27 05:40:34  

1、溶解度36.5g是20度时的值,白色粉末或片状固体,熔点380 ℃,沸点1324 ℃,相对密度2.04 g/cm3,折射率n20/D 1.421,蒸汽压1mmHg(719 ℃)。其性质与氢氧化钠相似,具强碱性及腐蚀性,0.1 mol/L溶液的pH为13.5。极易吸收空气中水分而潮解,吸收二氧化碳而成碳酸钾。溶于约0.6份热水、0.9份冷水、3份乙醇、2.5份甘油,微溶于醚。当溶解于水、醇或用酸处理时产生大量热量。中等毒,半数致死量(大鼠,经口)1230 mg/kg。

2、氢氧化钾溶于水时放出大量的热,很难测得大于30℃时的溶解度(氢氧化钠也是这样),如果说乙酸不算固体,那给你举个其它的例子,SbCl3在0℃时溶解度是601.6克,60℃时溶解度是4531克,80℃时是无穷大。

关键词: 氧化 溶解度

氢氧化钾溶解度相关经验

天气预报

最新推荐

页面:/news/view-3428292/ | 耗时:0.1480 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=3428292 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3428292 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3428292 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3094129,376247,1298096,1057980,3474350,1021670,542318,674463,709332,715812,3502147,2111211,579485,668003,584026,2311644,726603,959620,3227677,1197177,2640265,3165090,3447237,369507,3152892,456565,1171487,409563,3482842,2566181) ORDER BY field (ArticleID,3094129,376247,1298096,1057980,3474350,1021670,542318,674463,709332,715812,3502147,2111211,579485,668003,584026,2311644,726603,959620,3227677,1197177,2640265,3165090,3447237,369507,3152892,456565,1171487,409563,3482842,2566181)