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Assuming all products are collected and no matter is lost, 72 g of reactants form 41 g of product A, 19 g of product B, and a third product. What is the mass of the third product?

Answer and explanation

Correct answer: 12 g

By conservation of mass, the total product mass is 72 g. The third product has mass 72 − 41 − 19 = 12 g.

Related tags

ChemistryConservation Of MassLaws Of Chemical CombinationSome Basic Concepts Of ChemistryClass 11 Mcq

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