A compound of bromine and fluorine is used to make UF₆, which is an important chemical in processing and reprocessing of nuclear fuel. The compound contains 58.37 mass percent bromine. Determine its empirical formula. A)BrF B)BrF ₂ C)Br ₂F ₃ D)Br ₃F E)BrF ₃

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Quizplus · Accepted Answer

The empirical formula is determined by the ratio of moles of each element. Given 58.37% bromine, the remaining 41.63% is fluorine. Using atomic masses (Br = 79.9, F = 19), the mole ratio of Br to F is approximately 1:3, leading to the empirical formula BrF₃.

A Compound of Bromine and Fluorine Is Used to Make