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【題組】30.下列敘述哪些正確? (A)未飽和溶液中所溶解的溶質已達最大量 (B)尚含有固體的飽和溶液中溶解和結晶仍進行著,是一種動態平衡 (C)過飽和溶液中加入晶體種子後,溶質會全部結晶析出 (D)
問題詳情
【題組】
30.下列敘述哪些正確?
(A)未飽和溶液中所溶解的溶質已達最大量
(B)尚含有固體的飽和溶液中溶解和結晶仍進行著,是一種動態平衡
(C)過飽和溶液中加入晶體種子後,溶質會全部結晶析出
(D)定溫下,飽和溶液的濃度可作為該物的溶解度表示法
(E)硫酸鹽類的溶解度隨溫度的升高而增加。
參考答案
答案:B,D
難度:非常困難0
統計:A(0),B(0),C(0),D(0),E(0)
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