Empirical Formulae

Front

What is an empirical formula?

Back

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

Front

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

Back

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

Front

What is the empirical formula of C6H12O6?

Back

CH2O

Front

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

Back

No, they do not.

Front

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

Back

CH2

Front

What is the empirical formula of NaCl?

Back

NaCl

Front

What is the empirical formula of naphthalene (C10H8)?

Back

C5H4

Front

Which of the following is NOT an empirical formula: CH2, C2H5, C6H4, C3H7, C5H17?

Back

C6H4 is NOT an empirical formula.

Front

What is the empirical formula of C4H10?

Back

C2H5

Front

If a compound has a molecular formula of C8H16, what is its empirical formula?

Back

C4H8