A compound composed of sulfur and fluorine is found to contain 62.79% by mass of sulfur.If the molar mass of the compound is 102.13 g/mol,what is its molecular formula? A)S₃F B)S₂F₄ C)SF D)S₂F E)S₂F₂

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Quizplus · Accepted Answer

The mass of sulfur in the compound is 62.79% of 102.13 g/mol, which is approximately 64.15 g/mol. The molar mass of sulfur is 32.07 g/mol, so there are about 2 moles of sulfur. The remaining mass is for fluorine, which is approximately 38 g/mol. The molar mass of fluorine is 19 g/mol, so there are about 2 moles of fluorine. Thus, the molecular formula is S₂F₂.

A Compound Composed of Sulfur and Fluorine Is Found to Contain