Stoichiometry & Moles Flashcards

Front

What is the empirical formula of a compound that has a carbon-to-hydrogen ratio of 2 to 6?

Back

CH₃

Front

What does the molecular formula for a molecule show?

Back

Shows the total number of atoms of each type of element in the molecule.

Front

Back

48 g

Front

If the empirical formula of a compound is known, what is needed in order to find the molecular formula?

Back

the molar mass

Front

The compound has the empirical formula of CH and the molar mass is 39 grams/mol. What is its molecular formula?

Back

C₆H₆

Front

Empirical formula of a compound with a carbon-to-hydrogen ratio of 2 to 6?

Back

CH_3

Front

What is the empirical formula of a compound that has a carbon-to-hydrogen ratio of 1 to 2?

Back

CH2

Front

What does the molecular formula for a molecule show?

Back

Shows the total number of atoms of each type of element in the molecule.

Front

Back

1.5 moles of Cu

Front

What additional information is required to determine the molecular formula from the empirical formula?

Back

the molar mass