QQuestionChemistry
QuestionChemistry
Which best describes the law of conservation of mass?
1. The coefficients in front of the chemicals in the reactants should be based on the physical state of the products,
2. Products in the form of gases are not considered a part of the total mass change from reactants to products
3. When reactants contain both a solid and a liquid, the solid counts toward the overall mass and the liquid does not
4. The mass of the reactants and products is equal and is not dependent on the physical state of the substances.
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Answer
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Step 1I'll solve this step by step, following the precise LaTeX formatting guidelines:
Step 2: Understanding the Law of Conservation of Mass
The law of conservation of mass states that in a closed system, the total mass of the reactants before a chemical reaction is exactly equal to the total mass of the products after the reaction. This means that mass is neither created nor destroyed during a chemical reaction.
Final Answer
Key Insight: Mass is conserved in all chemical reactions, meaning the total mass before and after the reaction remains unchanged, regardless of the physical states involved.
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