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Chemistry

# What is empirical formula how is it determined?

###### Wiki User

The empirical formula is determined after the chemical analysis of a compound; the empirical formula do not express the geometrical configuration of the molecule.

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## Related Questions

The empirical formula of a compound gives the simplest ratio of the atoms in the compound (for instance the empirical formula C2H4 would be CH2).

the lowest whole number ratio of elements in a compound A+

Not completely. The empirical formula of a substance can be determined from its percent composition, but a determination of molecular weight is needed to decide which multiple of the empirical formula represents the molecular formula.

By determining the molecular mass, then dividing the molecular mass by the formula mass of the empirical formula to determine by what integer the subscripts in the empirical formula must be multiplied to produce the molecular formula with the experimentally determined molecular mass.

Yes, this is an empirical formula.

No. It is molecular formula. Its empirical formula will be CH2O.

A molecular formula is identical to the empirical formula, and is based on quantity of atoms of each type in the compound.The relationship between empirical and molecular formula is that the empirical formula is the simplest formula, and the molecular can be the same as the empirical, or some multiple of it. An example might be an empirical formula of C3H8. Its molecular formula may be C3H8 , C6H16, C9H24, etc. Looking at it the other way, if the molecular formula is C6H12O6, the empirical formula would be CH2O.

Molecular formula: c6h12o6 Empirical formula: CH2O

CH will be the empirical formula and C12H12 will be the molecular formula

An empirical formula has no data about the structure of a compound.

The empirical formula tells you the simplest formula for the compound. The molecular formula will be some multiple of the empirical formula, or it can be identical to the empirical formula.

what is the empirical formula for water H2O

The Empirical formula of Al2Br6 is AlBr3.