3.1.2.4 Empirical Formula And Molecular Formula Flashcards
1
Q
What is the empirical formula?
A
The simplest whole number ratio of atoms of each element in a compound
2
Q
What is the molecular formula?
A
The actual number of each atoms in a compound
3
Q
How do you work out empirical formula?
A
Percent to mass, mass by mole, divide by small, multiply til whole
4
Q
What is combustion analysis?
A
Burn the compound in excess oxygen
Measure the amounts of water, carbon dioxide and sulfur dioxide
By knowing the products, you can work out the reactants
