Chemistry
Elements and Compounds

# Can several compounds have the same empirical but have different molecular formulas?

###### Wiki User

Yes they can.

For example CH2O is the empirical formula for both formaldehyde(CH2O) and glucose(C6H12O6)

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## Related Questions

### Why are molecular formulas not practical for ionic compounds?

Molecular formulas are not practical for ionic compounds because they do not have any molecules. A formula like the empirical formula must be used instead since they have ions.

### Why do you use both empirical and molecular formula?

Molecular formulas are used the most often, but empirical formulas do help at times. Often it's just to simplify the molecular formula, but this simplification can often tell you if it's in the same chemical family as other compounds and such.

### How are molecular and empirical formulas related?

Molecular formula is the integral multiple of Empirical formula.

### Two compounds that have the same molecular formula but different structural formulas are?

Two compounds that have the same molecular formula but different structural formulas are isomers of each other.

### Does the concept of empirical formulas and molecular formulas apply to ionic compounds?

The concept of empirical formulas apply to ionic compounds. You write the action first, the anion second, and use the minimal amount of atoms possible to make a neutral compound. A molecular formula would be the formula without necessarily the minimum amount of atoms.

### How are the empirical and the molecular formulas for a compound related?

the empirical formula only gives the amount of each element as a ratiothe molecular formula gives the actual number of atoms of each element in a molecule of the compoundFor example these compounds all have the same empirical formula (CH2) but different molecular formulas: ethylene C2H4butene C4H8cyclohexane C6H12cyclooctane C8H16cyclodecane C10H20etc.

### Empirical and molecular formulas?

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

### Explain why the percent composition of certain compounds are not sufficient to determine the compounds molecular formulas?

Because unlike the empirical formula, the molecular formula does not have to be the simplest ratio.If by chance you are given the percent composition of the elements in a substance, you could calculate the empirical formula and then the empirical formula's mass. However, the molecular formula equation is molecular formula= (empirical formula)n, where n is the mass of the molecular formula divided by the mass of the empirical formula. You would, therefore, need to know the mass belonging to the molecular formula, which you are not given.

### What is the difference between empirical and molecular formula?

Empirical formulas show the simplest whole number ratio of these atoms. Molecular formulas show the actual ratio of atoms in the compound. For example: Glucose is the a simple sugar whose molecular formula is C6H12O6 Its empirical formula would be CH2O which would be its molecular formula divided by the smallest whole number. Chemical Name Hydrogen peroxide Empirical Formula HO Molecular Formula H2O2 chemical name Benzene empirical formula CH molecular formula C6H6 remember that several compounds can have the same empirical formula

### How are the empirical and molecular formulas for a compuond related?

An empirical formula is a brutto formula; a molecular formula explain the structure of a molecule.

### Would ionic or covalent molecules use the empirical formula Why?

An empirical formula represents the lowest whole-number ratio of ions or atoms in a compound. The formulas for ionic compounds are always empirical, because the proportions of the ions are always reduced to the lowest whole-number ratio. The formulas for covalent compounds are sometimes empirical, in which case they are also the molecular formulas. For example, the formula for water, H2O, is an empirical/molecular formula because the ratio of hydrogen to oxygen atoms is 2:1, which represents the lowest whole-number ratio of atoms in a molecule of water.

### How are formulas for binary molecular compounds written?

Binary molecular compounds are formed from the reaction between two nonmetals. The formulas for binary molecular compounds are written in a similar manner with ionic compounds.

### What is an organic compound with identical molecular formulas that differ in the order the atoms are connected?

Organic compounds that have identical molecular formulas but different structural formulas are called isomers.

### How is molecular formula C3H6 and molecular formula C6H12 related?

Both formulas are possible molecular formulas for the same empirical formula, CH2.

### What are the empirical and molecular formulas for naphthalene?

The emprical formula is C5H4. The molecular formula is C10H8.

### What is the molecular formula of a compound that has a molecular mass of 46 and an empirical formula of No2?

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.

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