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溶解度隨溫度升高而升高,降溫析晶.溶解度隨溫度升高而降低,昇溫析晶.
不一定.大多數物質在水中的溶解度是隨溫度降低而减小,但有些物質的溶解度是隨溫度降低而增大的,如氫氧化鈣.對於後一類物質,飽和溶液降溫是不會有晶體析出的.一般溫度對溶解度都有影響,只是影響有大有小.第二個問題,…
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