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To precipitate Ba²⁺(aq) from solution, one could add: A. NaCl(aq) B. (NH₄)₂CO₃(aq) in NH₃(aq) C. HCl(aq) D. H₂S(aq) in NH₃/NH₄⁺(aq) E. H₂S(aq) in 0.3 M HCl(aq)
Sagot :
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