An aqueous solution contains the ions Ag+, Ba2+, and Ni2+. Dilute aqueous solutions of NaCl, Na2S, a — Descriptive Chemistry Chemistry Question
Question
An aqueous solution contains the ions Ag+, Ba2+, and Ni2+. Dilute aqueous solutions of NaCl, Na2S, and Na2SO4 are available. In what order should these solutions be added if the goal is to precipitate each of the three cations separately?
A.
Na2S, Na2SO4, NaCl
B.
Na2S, NaCl, Na2SO4
C.
Na2SO4, Na2S, NaCl
D.✓ Correct
NaCl, Na2SO4, Na2S
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