Multiple Choice
Magnesium carbonate, MgCO3, is insoluble. Identify the spectator ions when aqueous solutions of sodium carbonate and magnesium chloride are combined.
A) Mg2+ and CO32-
B) Na+ and Cl-
C) Mg2+ and Cl-
D) Na+ and CO32-
E) None of these choices are correct.
Correct Answer:

Verified
Correct Answer:
Verified
Q2: In an acid-base (neutralization) reaction the equivalence
Q18: Select the precipitate that forms when aqueous
Q32: Lithium hydroxide is used in alkaline batteries.
Q48: A 0.00100 mol sample of Ca(OH)<sub>2</sub> requires
Q51: A 0.150 M sodium chloride solution is
Q67: Calculate the oxidation number of sulfur in
Q81: The amount of calcium present in milk
Q99: Select the classification for the following reaction.
Q102: Calcium chloride is used to melt ice
Q104: Aqueous potassium iodate (KIO<sub>3</sub>) and potassium iodide