Chemistry
Chemical Bonding

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

Top Answer
###### Answered 2014-10-27 14:51:24

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.

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## Related Questions

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

The formula of a covalent molecule is a molecular formula, because it represents the numbers of atoms of each element in a molecule. Sometimes the molecular formula is the same as the empirical formula. Ionic compounds are always represented by an empirical formula, because they do not form molecules. An empirical formula gives the lowest whole-number ratio of ions in the ionic compound.

### What would be the empirical formula of octane?

C8H18 is the formula for octane, but the empirical formula would be C4H9.

### What is the empirical formula of azulene?

It has a molecular formula of C10H8 so that would make an empirical formula of C5H4.

### What is determined by an empirical formula?

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).

### Is S8 Empirical or Molecular?

Molecular. The empirical formula would simply be S.

### Empirical formula of C6H6?

Since the empirical formula is the lowest whole number formula, the empirical formula for C6H6 would be CH (divide both C and H by 6).

### Can an empirical formula be triple its molecular formula?

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.

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

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.

### What is an empirical formula c4h8 c2h4 ch c2h2?

The empirical formula for C4H8 would be CH2. For C2H4 it would be CH2 and for C2H2 it would be CH.

### Is P4O6 an empirical formula?

No. A formula is only empirical if the elements are in their simplest whole number ratio. 4 and 6 are both divisible by 2. So the empirical formula for P4O6 would be P2O3

### Is h202 an empirical formula?

No, H2O2 is the full chemical formula as the elements are not shown in the simplest whole number ratio. Its empirical formula would be HO.

### What would be the empirical formula for glucose C6H12O6?

The empirical formula of glucose is the formula which has the lowest ratio. You can divide all three elements by 6 to give: CH2O.

### How do you find out which formula is empirical formula?

The empirical formula is when you can not simplify the formula any further. Let's use the formula for glucose, C6 H12 O6 That is the molecular formula of glucose. The Empirical Formula of Glucose would be C1 H2 O1, because you can divide each element by 6. As for a compound such as ammonia N H3, that is it's Molecular Formula. It's empirical formula would be N H3 as well because it can not be simplified any further.

### 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

### Whats the Empirical formula for N2H4?

It's empirical formula would be NH2. An empirical formula represents the ratio of the atoms in the compound, rather than the actual number. You can work this out by dividing by a common denominator (in this case, 2).

### How are the emprical and molecular formulars for a compound related?

The empirical formula is the lowest whole integer representation of the molecular formula. For example, the empirical formula for C6H12O6 would be CH2O.

### The empirical formula is CH2O. What is the molecular formula of this compound?

The simplest possibility is the same as the empirical formula, which is the molecular formula of formaldehyde, although it would probably more often be written as H2CO.

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