Multiple Choice
According to the Law of Conservation of Mass, which of the following is conserved during physical changes?
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2. Atoms & Elements
Law of Conservation of Mass
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According to the Law of Conservation of Mass, mass connects which two aspects of a chemical reaction?
A
The mass of elements and the mass of compounds
B
The mass of solids and the mass of liquids
C
The mass of atoms and the mass of molecules
D
The mass of reactants and the mass of products
Verified step by step guidance1
Understand the Law of Conservation of Mass: It states that mass is neither created nor destroyed in a chemical reaction.
Identify the two main parts of a chemical reaction: reactants (substances before the reaction) and products (substances formed after the reaction).
Recognize that the law connects the mass of the reactants to the mass of the products, meaning the total mass remains constant throughout the reaction.
Note that this principle implies the mass of all reactants combined equals the mass of all products combined, regardless of physical state or form.
Therefore, the Law of Conservation of Mass links the mass of reactants and the mass of products in a chemical reaction.
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