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A pure compound contains 48 percent A and 52 percent B. What is the simple mass ratio A:B?

Answer and explanation

Correct answer: 12:13

The mass percentages of A and B are 48 and 52 respectively, so their mass ratio is 48:52. Dividing both terms by 4 gives the simplest ratio, 12:13. The ratio 13:12 reverses the order, while 48:52 is correct but not in simplest form. Exam tip: form the ratio of the percentages and reduce it using their greatest common factor.

Related tags

ChemistryChemical CombinationMass RatioPercentage CompositionClass 11Laws Of Chemical CombinationSome Basic Concepts Of ChemistryClass 11 Mcq

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