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the law of conservation of mass.
A closed system would be used to demonstrate the conservation of mass. In a closed system, no mass enters or exits the system, allowing for the observation of mass being conserved through chemical reactions or physical changes.
Acid-base reactions demonstrate the law of conservation of mass because the total mass of all reactants involved in the reaction will always equal the total mass of all products formed. This is because no atoms are created or destroyed during the reaction, they are simply rearranged into different molecules.
An experiment may not demonstrate the law of conservation of mass if there are sources of error, such as incomplete data collection or unaccounted-for mass changes (e.g., evaporation, chemical reactions) during the experiment. Additionally, equipment malfunctions or improper experimental design could also lead to inaccurate results that do not align with the law of conservation of mass.
If by the law of conservation you mean the Law of Conservation of Matter, then it states that matter cant be created or destroyed.
It is not clear what law of conservation you are talking about. There are several.
All properly solved chemical equations demonstrate the law of conservation of mass by having the same number of atoms on both sides, showing that no atoms were created or destroyed in the chemical reaction.
It is not clear what law of conservation you are talking about. There are several.
If by the law of conservation you mean the Law of Conservation of Matter, then it states that matter cant be created or destroyed.
Answer the question...
According to the law of conservation of mass, mass cannot be created or destroyed in a chemical reaction. Similarly, according to the law of conservation of matter, matter cannot be created or destroyed in a closed system. These laws demonstrate that mass and matter remain constant throughout physical or chemical changes.