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Answered 2014-07-06 14:30:03

a) molecular formula

b) molecular weight

c) percentage ratio

d) number of atoms

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The formula for glucose is C6H12O6. The simplified, or empirical formula is CH2O


The smallest no in formula is 4 so by dividing with 4 the empirical formula of compounds becomes, C4H8O2N1


Empirical formulas are used in ionic compounds because of simplicity. They are easier to describe with this type of formula because of their many crystals.


The empirical formula is the formula in its most simplified terms. The molecular formula is how many moles there actually are (the empirical formulat multiplied by a factor).


Yes. In fact, many compounds can have the same empirical formula.


Benzene is an alkene, with four carbon atoms. Alkene have a general formula CnH2n, therefore the formula of benzene is C4H8. Now empirical formula is the simplest ratio of a compounds constituent atoms. In this case the ratio is 4:8, which can be simplified to 1:2. Thus the empirical formula of Benzene is CH2. In fact if you note the general formula of an alkene you can clearly see that the empirical formula for all alkenes will indeed be the same.



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.


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.


Empirical formula is the simplest formula that shows the simplest ratio of the different types of atoms in it. tartaric acid is made up of C4H6O6, which can be further simplified to be C2H3O3.



The actual mass must be divided by the empirical mass. This was derived from the following equation: (subscript)(empirical formula) = (molecular formula) subscript = (molecular formula)/(empirical formula)


For example, all linear alkenes with one double bond and no other functional groups have the same empirical formula.


For sodium oxide, the empirical formula is the same as the formula unit, Na2O. (If any formula unit or molecular formula contains an atomic symbol with no following subscript, the empirical and actual formulas will be the same.)



Yes, it is possible.All isomers have the same empirical formula.


Ethanoic acid is CH3COOH and its empirical formula is CH3COOH too because this formula cannot be more simplified


the empirical formula is the simplest whole number ratio of the elements present in one molecule or formula unit of a compounds we calculate the empirical formula using the following steps: 1. note the mass of each element correctly 2. divide the atomic masses by the masses deduced in step 1 3. divide the step 2 calculation by the lowest figure


The formula unit for an ionic compound is similar to an empirical formula in that both give the simplest whole-number ratio of atoms of each element in a compound.


Yes. One of the simples examples is the pair butane and 2-methylpropane, which have not only the same empirical but the same molecular formula, C4H10.


An empirical formula refers to the chemical formula that indicates the simplest ratio of atoms in a compound. Two different compounds may have the same empirical formula.


Simplest atomic ratio of the elements present in the compounds.


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.


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.



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