Empirical Formula

Purpose → tells you the simplest ratio of atoms/moles in a compound.
Not the full formula—just the most reduced version, like how you simplify a fraction.

Method→ MASS MISTER MOLES ‼

• ‘MASS’ is in grams or a percentage.

• ‘MISTER’→ Mr →Divide each element’s mass/percentage by it’s RAM.

• ‘MOLES’→ Divide the result for each element by the lowest result, meaning one element’s ratio will be 1.

• If decimals, convert ratio to whole numbers by multiplying

Rounding Rules →