Which of the following statements regarding empirical and molecular formulas is

Question

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

Explanation / Answer

The compound benzene has a molecular formula of C6H6, so its empirical formula would be C3H3.

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