凝固點下降公式:高中化學凝固點下降公式推導法之探討
高中化學凝固點下降公式推導法之探討
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![依數性質:以凝固點下降測分子量](https://i0.wp.com/api.multiavatar.com/%E4%BE%9D%E6%95%B8%E6%80%A7%E8%B3%AA%EF%BC%9A%E4%BB%A5%E5%87%9D%E5%9B%BA%E9%BB%9E%E4%B8%8B%E9%99%8D%E6%B8%AC%E5%88%86%E5%AD%90%E9%87%8F.png?apikey=viVnb6N20jclO8)
依數性質:以凝固點下降測分子量
http://gclab.thu.edu.tw
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![凝固点降低](https://i0.wp.com/api.multiavatar.com/%E5%87%9D%E5%9B%BA%E7%82%B9%E9%99%8D%E4%BD%8E-+%E7%BB%B4%E5%9F%BA%E7%99%BE%E7%A7%91%EF%BC%8C%E8%87%AA%E7%94%B1%E7%9A%84%E7%99%BE%E7%A7%91%E5%85%A8%E4%B9%A6.png?apikey=viVnb6N20jclO8)
凝固点降低
https://zh.wikipedia.org
ΔTF,凝固点的下降,定义为TF纯溶剂 - TF溶液. · KF,凝固点降低常数,只取决于溶剂性质,而非溶液。对于水,KF = 1.853 K·kg/mol. · b,重量莫耳浓度(溶质物质的量比溶剂 ...
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![凝固點下降的測定實驗目的](https://i0.wp.com/api.multiavatar.com/%E5%87%9D%E5%9B%BA%E9%BB%9E%E4%B8%8B%E9%99%8D%E7%9A%84%E6%B8%AC%E5%AE%9A%E5%AF%A6%E9%A9%97%E7%9B%AE%E7%9A%84%3A%E9%80%8F%E9%81%8E%E5%8A%A0%E5%85%A5%E6%BA%B6%E8%B3%AA%E4%BE%86%E6%B8%AC%E9%87%8F%E6%BA%B6%E5%8A%91%E7%9A%84+....png?apikey=viVnb6N20jclO8)
凝固點下降的測定實驗目的
http://orglab.thu.edu.tw
凝固點下降公式適用於溶質為非揮發性非電解質的稀薄溶液,也就是接近理想溶. 液(Ideal solution)狀況。當溶液濃度高時,溶質間作用力變大,溶液行為不符.
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![溶液凝固點下降(Freezing](https://i0.wp.com/api.multiavatar.com/%E6%BA%B6%E6%B6%B2%E5%87%9D%E5%9B%BA%E9%BB%9E%E4%B8%8B%E9%99%8D%EF%BC%88Freezing-point+Depression%EF%BC%89%E7%9A%84%E6%87%89%E7%94%A8%EF%BC%88%E4%B8%80%EF%BC%89.png?apikey=viVnb6N20jclO8)
溶液凝固點下降(Freezing
https://highscope.ch.ntu.edu.t
∆Tf:凝固點下降量,Cm:溶液重量莫耳濃度,Kf:凝固點下降常數,i:凡特何夫因數。 這個公式很重要,每個念理工的學生都要熟記,因為考試會考。但是這個 ...