Chemistry

Chemistry

Problem

When aqueous solutions of Na2SO4 and BaCl2 are mixed, a white precipitate of BaSO4 forms. Which of the following ions is a spectator ion and therefore does NOT appear in the net ionic equation for this reaction? a) Ba2+\text{Ba}^{2+} b) SO42−\text{SO}_{4}^{2-} c) Cl−\text{Cl}^- d) BaSO4 (s)\text{BaSO}_{4}\,(s)

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