問題詳情
61. A solution contains the ions Ag+, Ba2+, and Ni2+. Dilute solutions of NaCl, Na2SO4, and Na2S are available to separate thepositive ions from each other. In order to effect separation, the solutions should be added in which order?
(A) Na2S, NaCl, Na2SO4
(B) Na2SO4, NaCl, Na2S
(C) Na2SO4, Na2S, NaCl
(D) NaCl, Na2S, Na2SO4
(E) NaCl, Na2SO4, Na2S
(A) Na2S, NaCl, Na2SO4
(B) Na2SO4, NaCl, Na2S
(C) Na2SO4, Na2S, NaCl
(D) NaCl, Na2S, Na2SO4
(E) NaCl, Na2SO4, Na2S
參考答案
無參考答案
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