What must you do to finish the vacuum filtration process?

To properly finish the vacuum filtration process, opening the clamp or stopper on the solvent trap is essential. This action allows the flow of air into the filtration system, which is crucial for equalizing the pressure. When the vacuum is removed, it enables the remaining liquid in the filter and filtration apparatus to flow freely without suction holding it back.

If the solvent trap is not opened, the pressure differential can prevent the complete removal of the filtrate, leading to losses and potentially clogging issues. Maintaining proper pressure balance ensures that all desired liquids are collected efficiently.

In contrast, while closing the vacuum source and removing the glassware or turning off the vacuum pump might seem like valid steps, they would not address the potential issues of residual liquid in the system. Similarly, storing the filtrate is an important step in the overall procedure but does not directly relate to the finalization of the vacuum filtration process itself. It is important to prioritize the correct sequence of actions that ensure an efficient and complete filtration.