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A student says that the mass ratio of hydrogen and oxygen in pure water samples obtained from river water and rainwater will be different. Which law shows that this statement is incorrect?

Answer and explanation

Correct answer: Law of definite proportions

In pure water, the mass ratio H:O is always 1:8, regardless of its source. This is the law of definite proportions; conservation of mass concerns total mass in a reaction. Exam tip: “constant composition” points to this law.

Related tags

Laws Of Chemical CombinationLaw Of Definite ProportionsConstant CompositionPure WaterMass RatioClass 11 ChemistrySome Basic Concepts Of ChemistryChemistry

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