What was one of the tests that Lavoisier performed to prove the Law of Conservation of Mass
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One of the tests that Lavoisier performed to prove the Law of Conservation of Mass involved the combustion of phosphorus. To understand how Lavoisier arrived at his conclusion, we need to understand the steps he followed:
1. Lavoisier measured the mass of a sealed container and the phosphorus inside it.
2. He heated the phosphorus until it burned and combined with oxygen from the air.
3. Lavoisier observed that the container gained weight after the combustion process.
4. He allowed the container with the products of combustion to cool and re-weighed it.
5. Lavoisier found that the mass of the container plus the mass of the phosphorus products after combustion equaled the mass of the original container plus the original phosphorus.
By comparing the initial and final masses, Lavoisier concluded that the mass of the product formed during combustion is equal to the mass of the reactant involved in the reaction. This experiment supported the Law of Conservation of Mass, which states that matter cannot be created or destroyed in a chemical reaction.