CH2O is not only the empirical but also the molecular formula for formaldehye. It is also the empirical but not the molecular formula for hydroxyacetaldehyde, acetic acid, methyl formate, 1,3-dihydroxyacetone, and many other compounds.
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Yes, CH2O is the empirical formula for formaldehyde. This means that the ratio of atoms in the compound is in its simplest form.
The empirical formula of glucose is the formula which has the lowest ratio. You can divide all three elements by 6 to give: CH2O.
The empirical formula of C3H6O3 is CH2O. This is obtained by dividing the subscripts in the molecular formula by the greatest common factor.
The empirical formula for C12H24O12 is CH2O. The subscripts in the formula can be simplified by dividing by the greatest common factor, which in this case is 12.
C12h24