When Are an Empirical Formula and a Molecular Formula the Same

question 117

Multiple Choice

When are an empirical formula and a molecular formula the same?

• A) Always
• B) When the mass of the empirical formula unit is equal to the molecular mass
• C) When the mass percentages of all of the elements in the two formulas are the same
• D) Never
• E) When the molecular mass is an integer multiple of formula unit mass

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Definitions:

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