clogging.

Experimental error

In many laboratories, gravity filtration is used to filter out solids to determine reaction yield. Several experimental errors need to be taken into account.

Some precipitated solid remains on the filter paper or in the funnel. In this case, a gap appears between the product yield and the measured yield.

If the precipitated solid is not dried thoroughly, excess fluid influences the experimental results. The actual yield of precipitation may then appear larger than the theoretical yield.

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