A heating mantle is the best way to heat a liquid in a round bottom flask. The heating mantle can be either rigid or soft, but heats the flask by heating an electric coil which surrounds the round bottom flask. Heating mantles come in different sizes to best match the size of the found bottom flask for a snug fit around the entire bottom of the flask. They are commonly used in distillations and other heated reactions.
A heating mantle if much better than a hot plate because the heating mantle makes contact with the entire bottom surface of a round bottom flask. It is also much better than a bunsen burner for heating flammable liquids.
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First answer by JEK. Last edit by JEK. Contributor trust: 1780 [recommend contributor]. Question popularity: 16 [recommend question]
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