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Which statement correctly differentiates conservation of mass and Gay-Lussac's law?

Answer and explanation

Correct answer: Conservation of mass states that total mass remains constant in a reaction, whereas Gay-Lussac's law relates to simple whole-number ratios of volumes of reacting gases at the same temperature and pressure.

The law of conservation of mass states that the total mass of reactants equals the total mass of products in a chemical reaction; mass is neither created nor destroyed. Gay-Lussac's law of combining volumes states that, at the same temperature and pressure, volumes of reacting gases and gaseous products are in simple whole-number ratios. Option B refers to the law of definite proportions, not either of these laws. Exam tip: associate equality of mass with conservation of mass and gas-volume ratios with Gay-Lussac's law.

Related tags

ChemistryChemical Combination LawsConservation Of MassGay-Lussac LawGas VolumesClass 11Laws Of Chemical CombinationSome Basic Concepts Of Chemistry

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