圧力25kpa（A）の下で、約45％のホルムアルデヒド溶液の沸点はいくつか？
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先生方、圧力25kpa（A）の下で、約45％のホルムアルデヒド溶液の沸点はいくつでしょうか？
T-XY図によると、この圧力下では混合物に共沸点は存在せず、泡点は-25.5度、露点は56.4度である
何の問題？。。。混合物には沸点がないよね
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