empirical formulas

Front

What is an empirical formula?

Back

An empirical formula represents 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 C₃H₆?

Back

CH₂

Front

What is the empirical formula for N₂S₃?

Back

N₂S₃ (it is already in simplest form).

Front

What is the relationship between molecular formula and empirical formula?

Back

The molecular formula can be a multiple of the empirical formula.

Front

What is the empirical formula of C₆H₁₂O₆?

Back

CH₂O

Front

If the empirical formula is CH₂O and the molecular molar mass is 180.18 g/mol, what is the molecular formula?

Back

C₆H₁₂O₆

Front

Which of the following is an example of an empirical formula? H₂O₂, N₂O₂, C₃H₂, B₂H₆

Back

C₃H₂

Front

What is the empirical formula of a compound with a molecular formula of C₄H₈?

Back

CH₂

Front

How do you convert a molecular formula to an empirical formula?

Back

Divide the subscripts of the molecular formula by the greatest common factor.