問題詳情
41.右圖是某種鹽類溶解在純水中的溶解度曲線，根據此圖，下列推論何者正確？ 
(A)此鹽類溶於水應為放熱反應
(B)在S點的狀態為過飽和溶液
(C)在P點溶液之重量百分率濃度為25 %
(D)取R點的溶液100克降溫至℃，可析出30克的鹽類
(E)取P點的溶液升溫至℃，若水量不變，會變成Q點的狀態。
(A)此鹽類溶於水應為放熱反應
(B)在S點的狀態為過飽和溶液
(C)在P點溶液之重量百分率濃度為25 %
(D)取R點的溶液100克降溫至℃，可析出30克的鹽類
(E)取P點的溶液升溫至℃，若水量不變，會變成Q點的狀態。
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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