問題詳情
21. 某無機化合物含n分子之結晶水，而此結晶水之重量百分率為 36%，今取該物3.2 克溶於水，使形成 100 毫升溶液，則此溶液濃度為若干 M？ 
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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