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Clearnote
Q&A
Senior High
Chemistry
急求🙇🏻♀️
Chemistry
Senior High
Resolved
3 monthsago
xuyan
急求🙇🏻♀️
範例3 溫度對溶解度的影響 ★相關題型:單元練習多 右圖是某種固體溶質在不同溫度時之溶解度曲線。依據此圖,下 列敘述,哪些正確? (A)該溶質溶於水時,溶液的溫度會下降 (B)溶液S為過飽和溶液 (C)將溶液Q降溫至60℃時,會有溶質沉澱而成為飽和溶液 溶解度(克/100克水) 110 100 90元 80 克70 60 50 克 30 20 40 60 80 100 E 溫度 (°C) 100 40 (D)溶液Q若含有100克水,則另加入30克溶質後可成為飽和溶液壓食 (E)取420克溶液T,冷卻至40°C時,有120克溶質沉澱 J B.D.E 图 462 X 420-100 110 (E)溶質有: 420X700 +110 水有: 420-20-200 40℃時溶解度. 108=462 x=46.2 42 =226 508 Toog #220-0 200 So Tou 00:150 = 10 M 李資密固陪大,高您閺匙:颤固(I) X=120 富蒸發20克 oor # 08 02505521447 LJP-20
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3 monthsago
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