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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク cryoscopic constant ： ウィキペディア英語版 cryoscopic constant In thermodynamics, the cryoscopic constant, Kf, relates molality to freezing point depression. It is the ratio of the latter to the former: :$\backslash triangle\; T\_f\; =\; K\_f\; \backslash cdot\; m\; \backslash cdot\; i$ ''i'' is the van 't Hoff factor, the number of particles the solute splits into or forms when dissolved. Through cryoscopy, a known constant can be used to calculate an unknown molar mass. The term "cryoscopy" comes from Greek and means "freezing measurement." Freezing point depression is a colligative property, so $\backslash Delta\; T$ depends only on the number of solute particles dissolved, not the nature of those particles. Cryoscopy is related to ebullioscopy, which determines the same value from the ebullioscopic constant (of boiling point elevation). The Kf for water is 1.853 K·kg/mol. ==See also== * List of boiling and freezing information of solvents * KF 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「cryoscopic constant」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.