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Principle
This experiment confirms the law of conservation of mass by the precipitation of calcium carbonate in the vessel according to Landolt. For this experiment two solutions with the starting material are filled separately into two limbs of a vessel. Afer that the vessel is sealed and weighed. To confirm the law of conservation ot mass both solutions are mixed together and a precipitation reaction can be observed. By weighing the vessel again, students realize that there is no change in the mass.
Learning objectives
- Law of conservation of mass
- Precipitation reaction
- Landolt vessel
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(de) Versuchsbeschreibung
p1134300_de .pdf
File size 1.31 Mb
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(en) Versuchsbeschreibung
p1134300_en .pdf
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The law of conservation of mass in chemical reactions
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