Which of the Following Statements Regarding Empirical and Molecular Formulas

question 110

Multiple Choice

Which of the following statements regarding empirical and molecular formulas is correct?

• A)Information on percent composition is all that is necessary to determine both an empirical and a molecular formula.
• B)A compound with an empirical formula of CH₂O and a molar mass of 90 g/mol would have a molecular formula of C₃H₆O₃.
• C)The compounds C₂H₄ and C₃H₆ have different empirical formulas.
• D)The formula Ca₂Cl₄ is the correct empirical formula for calcium chloride.
• E)The compound benzene has a molecular formula of C₆H₆, so its empirical formula would be C₃H₃.

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