Empirical Formulae

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What is an empirical formula?

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An empirical formula is the simplest whole-number ratio of atoms of each element in a compound.

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How do you determine the empirical formula from a molecular formula?

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To find the empirical formula, divide the subscripts in the molecular formula by their greatest common divisor.

Front

What is the empirical formula of C8H16?

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C4H8

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What is the empirical formula of C6H12O6?

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CH2O

Front

What is the empirical formula of C12H22O11?

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C6H11O5

Front

What is the empirical formula of a compound with the molecular formula Se8F12?

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Se2F3

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What is the empirical formula of a compound with the molecular formula C2H4?

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CH2

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What is the empirical formula of hydrogen peroxide (H2O2)?

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HO

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Do glucose (C6H12O6) and maltose (C12H22O11) have the same empirical formula?

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No

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What is the empirical formula of a compound with the molecular formula C2H3?

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CH3