Data Interpretation (Test) — Flashcards | AP Chemistry | FatSkills

Data Interpretation (Test) — Flashcards

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A student adds aqueous NH3 to a solution of Ni2+ ions and a precipitate forms. When the student adds excess NH3, the precipitate dissolves and produces a deep blue solution. Which of the following best explains why the precipitate dissolved in excess NH3?
Ni2+ forms a soluble, complex ion with NH3.
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