Swirl or stir until the sodium carbonate dissolves. Hold the cups up so the students can see them. Slowly add the sodium carbonate solution to the Epsom salt solution. White solid particles will form ...

Distillation can be used to separate and collect a liquid from a solution. Distillation can ... Hard water can be softened by adding sodium carbonate (washing soda) or by passing the water through ...

A simple demonstration of how a precipitate is evidence of a chemical reaction taking place is performed by mixing solutions of calcium chloride and sodium carbonate to form the precipitate calcium ...