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The Balanced Net Ionic Equation for Precipitation of CaCO3 When

Question 125

Multiple Choice

The balanced net ionic equation for precipitation of CaCO3 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 precipitation of CaCO<sub>3</sub> 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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