Precipitate Formation

The video tutorial explains the process of diffusion, where ions dissolve and spread in water. An experiment is conducted using potassium iodide and lead nitrate to compare the diffusion rates of lead and iodide ions. The setup involves a Petri dish with water and a cross-marked paper. Observations show that iodide ions diffuse faster than lead ions due to their smaller size, forming a yellow precipitate closer to the lead nitrate. The experiment demonstrates that iodide ions travel approximately three times faster than lead ions.

What new insight or understanding did you gain from this video?