MichaelXY said:Use this cool poem.
Percent to mass
Mass to mole
Divide by small
Multiply 'til whole
Poem by "Joel S. Thompson"
An empirical formula is the simplest whole number ratio of atoms in a compound. It represents the relative number of each type of atom in a molecule.
The empirical formula is determined through experimental data and can be calculated using the mass or percent composition of each element in the compound.
Yes, the empirical formula may be different from the molecular formula. The empirical formula represents the simplest ratio of atoms, while the molecular formula represents the actual number of atoms in a molecule.
The empirical formula is important because it helps to identify the composition of a compound and understand its chemical properties. It also provides a basis for determining the molecular formula of a compound.
The empirical formula remains the same regardless of the conditions, as long as the relative proportions of each element in the compound remain constant.