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Answered 2012-03-10 22:09:56

Find the mass of the substance and divide it by the mass of the substance defined by the empirical formula. If you get 1, then the empirical formula is also the molecular one.

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In order to find molecular formula from empirical formula, one needs to know the molar mass of the molecular formula. Then you simply divide the molar mass of the molecular formula by the molar mass of the empirical formula to find out how many empirical formulae are in the molecular formula. Then you multiply the subscripts in the empirical formula by that number.


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.


It is both empirical formula and a molecular formula (for formaldehyde).


the empirical formula and the molar mass


Molecular formula is the actual representation of the constitution of the substancewhile Empirical formula is the simplest representation of the molecular formula.Molecular formula= Empirical formula*n(where n= Molecular weight/Empirical formula weight)Example :-EtheneMolecular formula =C2H4Empirical formula=CH2here CH2 is the simplest representation of molecular formula of Ethene.


Molecular formula is the integral multiple of Empirical formula.


CCl4 is the molecular formula for carbon tetrachloride. It is the same as its empirical formula.


No: The molecular formula is never smaller than the empirical formula.


The chemical formula CH4 is both empirical and molecular.


Yes, it is possible for an empirical formula to be the same as the molecular formula. For example, Lactic acid's molecular formula is C3H6O3, which would make its empirical formula CH2O.


Calculate the empirical formula weight. Find the ratio of the molecular weight to the empirical formula weight. (n= molecular weight/ empirical formular weight). Multiply each subscript of the empirical formula by n.


Molecular. The empirical formula would simply be S.


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


Empirical formula is the molecular formula in its simplest ratio. So the empirical formula of benzene is CH.


the empirical formula does not include the # of atoms present in an element and the molecular formula does.


Example of Empirical formula is : CO2 Example of Molecular formula is : C4O8



Yes, the empirical formula is the most basic ratio of the elements in a compound, while the molecular formula is the ratio in a compound. For instance C5H10O could be both the empirical and the molecular formula or the molecular formula could be C10H20O2 the molecular formula depends on the molar mass.



The molecular formula is the same as the empirical formula, NO2. The compound NO2 has a molar mass of 46g/mol, so the empirical and molecular formulas are the same.


Molecular formula: c6h12o6 Empirical formula: CH2O


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



What you have listed is the molecular formula, C6H4Cl2, the molecular formula is a multiple of the empirical formula in this case being C3H2Cl.


There are 4 step to determine molecular formula, which are given bellow Step:1:- Find empirical formula Step:2:- Find empirical formula mass Step:3:- Find n n=molecular mass/empirical formula mass Step:4:- now find molecular formula to find molecular formula molecular formula(empirical formula)n