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The Balanced Net Ionic Equation for the Precipitation of Calcium

Question 119

Multiple Choice

The balanced net ionic equation for the precipitation of calcium carbonate when aqueous solutions of Na2CO3 and CaCl2 are mixed is ________.


A) 2Na+ (aq) + CO32- (aq) → Na2CO3 (aq)
B) 2Na+ (aq) + 2Cl- (aq) → 2NaCl (aq)
C) Na+ (aq) + Cl- (aq) → NaCl (aq)
D) Ca+(aq) + CO32- (aq) → CaCO3 (s)
E) Na2CO3 (aq) + Ca The balanced net ionic equation for the precipitation of calcium carbonate when aqueous solutions of Na<sub>2</sub>CO<sub>3</sub> and CaCl<sub>2</sub> are mixed is ________. A) 2Na<sup>+ </sup>(aq) + CO<sub>3</sub><sup>2- </sup>(aq) → Na<sub>2</sub>CO<sub>3</sub> (aq) B) 2Na<sup>+</sup> (aq) + 2Cl<sup>-</sup> (aq) → 2NaCl (aq) C) Na<sup>+</sup> (aq) + Cl<sup>-</sup> (aq) → NaCl (aq) D) Ca<sup>+</sup>(aq) + CO<sub>3</sub><sup>2-</sup> (aq) → CaCO<sub>3</sub> (s) E) Na<sub>2</sub>CO<sub>3</sub> (aq) + Ca (aq) → 2NaCl (aq) + CaCO<sub>3</sub> (s) (aq) → 2NaCl (aq) + CaCO3 (s)

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