Chemistry

Chemistry

Problem

Aqueous solutions of magnesium chloride and sodium carbonate are mixed, forming a white precipitate. Which pair of ions remains unchanged in the complete ionic equation and therefore is spectator? a) Mg2+ and CO32−\text{Mg}^{2+} \text{ and } \text{CO}_3^{2-} b) Na+ and Cl−\text{Na}^+ \text{ and } \text{Cl}^- c) Mg2+ and Cl−\text{Mg}^{2+} \text{ and } \text{Cl}^- d) Na+ and CO32−\text{Na}^+ \text{ and } \text{CO}_3^{2-}

Browse the problem library