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Fixed 8 grams A combines with 6 grams and 18 grams B in two compounds. This is a clue for which law?

Answer and explanation

Correct answer: Law of multiple proportions

For a fixed 8 g mass of A, the masses of B are 6 g and 18 g. Their ratio is 6:18 = 1:3, a simple whole-number ratio. Therefore, this illustrates the law of multiple proportions: when two elements form more than one compound, the masses of one element that combine with a fixed mass of the other are in simple whole-number ratios. The law of definite proportions applies to the fixed composition of one particular compound. Exam tip: fixed mass plus two compounds and a simple ratio usually indicates the law of multiple proportions.

Related tags

ChemistryChemical Combination LawsLaw Of Multiple ProportionsStoichiometryClass 11 ChemistryLaws Of Chemical CombinationSome Basic Concepts Of ChemistryClass 11 Mcq

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