Equilibrium lab Include a summary of steps here. We have included the first two important steps to get you started. You can summarize the rest from the virtual lab. 1. Write down the equilibrium equation you are investigating using the information provided by the introduction within the virtual lab activity Equilibrium reaction: 2. Select each control test tube to compare the concentrations of reactants and products. Write down what each indicator color means about the concentrations of reactants and products in solution. Pink means: Blue means: Purple means: