A
How
many Cl atoms are within a single FeCl2 formula unit? *
(1 Point)

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

Calculate the number of molecules present in 0.750 mol of mgo.

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?