作者chwuuu (chwuuu)
看板post-b.test
标题[问题] 107高医後西医第29题,请问(D)KCl为何不行
时间Tue Sep 11 01:30:39 2018
29. A sample of a white solid is known to be NaHCO3, AgNO3, Na2S, or CaBr2.
Which 0.1 M aqueous solution can be used toconfirm the identity of the solid?
(A) NH3(aq) (B) HCl(aq) (C) NaOH(aq) (D) KCl(aq) (E) CH3COOH(aq)
公布答案是(B)
但(C)的KCl也会产生AgCl沉淀啊,
为何不选这答案?请高手解惑
--
--
※ 发信站: 批踢踢实业坊(ptt.cc), 来自: 114.39.141.222
※ 文章网址: https://webptt.com/cn.aspx?n=bbs/post-b.test/M.1536600642.A.20A.html
2F：→ bunny8584: g 09/11 02:07