Multiple Choice
Which of the following chemical equations violates the law of conservation of mass?
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2. Atoms & Elements
Law of Conservation of Mass
Multiple Choice
Which fundamental principle states that if matter is not being created or destroyed during a chemical reaction, the total mass of the reactants must equal the total mass of the products?
A
Law of Multiple Proportions
B
Dalton's Atomic Theory
C
Law of Conservation of Mass
D
Law of Definite Proportions
Verified step by step guidance1
Understand that the question is asking about a fundamental principle related to mass during chemical reactions.
Recall that the Law of Conservation of Mass states that matter cannot be created or destroyed in a chemical reaction, so the total mass of reactants equals the total mass of products.
Differentiate this from other laws: the Law of Multiple Proportions deals with ratios of elements in compounds, Dalton's Atomic Theory explains atomic structure and behavior, and the Law of Definite Proportions states that a compound always contains the same elements in the same proportion by mass.
Identify that the principle describing the equality of mass before and after a chemical reaction is the Law of Conservation of Mass.
Conclude that the correct answer to the question is the Law of Conservation of Mass.
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