The majority of ionic solids are soluble in aqueous solution. However, sometimes when two soluble solutions are mixed an insoluble compound is formed. In this lab, students will observe precipitation reactions, use solubility table to predict the insoluble reactant,  and write the balanced equation for the reaction.

Timing: One Class Period

Prior Knowledge: Familiar with using a solubility chart, balancing chemical equations, naming & writing formulas for compounds.
Materials: (per lab group) 

• testing solutions in dropping bottles, or in 50 mL beakers with disposable pipets
• 10-well or more well plates (can substitute 25 mL beakers, test tubes, transparency pages, or sheet protector)
• tooth picks or stirring rods
• solubility chart