In a precipitation reaction, two soluble compounds react to form an insoluble solid that precipitates in the bottom. This simulation allows you to select several compounds and observe their reactions.
In a neutralization reaction, an acid and a base dissolved in water react to produce a salt that remains dissolved in the water. This simulation allows you to select various combinations of acid and base and observe their reactions.
In this simulation it is possible to observe how the concentration of the initial compounds and that of the final compound vary in a reaction.
How different are strong and weak acids? Use the tools in the computer lab to find out! Dip the paper or meter into the solution to measure pH, or use the electrodes to measure conductivity. Then observe how concentration and strength affect the pH Can a solution of a weak acid have the same pH as a solution of a strong acid?