下列物質(甲)NaCl (乙)KNO3 (丙)Na2SO4 (丁)Pb(NO3)2，在水中的溶解度，會隨著溫度上升而下降有幾項?。(A)1 (B)2 (C)3 (D)4。

問題詳情

6.下列物質(甲)NaCl (乙)KNO3 (丙)Na2SO4 (丁)Pb(NO3)2，在水中的溶解度，會隨著溫度上升而下降有幾項?。
(A)1
(B)2
(C)3
(D)4。

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