Place petri dish on stage of overhead projector. Pour water into dish to a depth of ¼” to 3/8” Scoop a small amount of Pb(NO3)2 into the water at one side of the dish. Scoop a small amount of KI into ...

In flasks 1 and 2, a small amount of Mg is used and therefore the metal is the limiting reagent. In flask 3, the reagents are added in a stoichiometric ratio. In flask 4, excess Mg is added and HCl ...