問題詳情
15. 有一杯未知濃度的硫酸鈉水溶液100 mL，欲檢驗該水溶液中硫酸鈉的濃度，可以加入0.1 M BaCl2(aq)使生成BaSO4(s)，再藉由觀察BaCl2(aq)的添加量及沉澱物的高度加以推測。右圖是沉澱高度和BaCl2(aq)添加量的關係圖，試問硫酸鈉濃度為多少？M 
(A) 0.01
(B) 0.05
(C) 0.1
(D) 0.5
(A) 0.01
(B) 0.05
(C) 0.1
(D) 0.5
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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