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CH3O: When a molecular formula has a set of subscripts that can all be integrally divided by any integer other than one, division of the subscripts by the highest such integer will yield the empirical formula.

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What are Chemical formulas for ethanol?

The molecular formula of ethanol is written as either CH3CH2OH or C2H5OH, and its empirical formula is C2H6O. It is often written as EtOH.


Determine the molecular formula of a compound if its empirical formula is C2H6O and its molar mass is 138g?

Because an empirical formula is the simplest form of a compound, we know that the molecular formula contains more atoms than it does. Since we are given the molar mass, we can use this formula. x ( MM of empirical formula ) = MM of molecular formula MM of empirical formula = 12(2) + 1(6) + 16 = 46 MM of molecular formula = 138 46x = 138 x= 138 / 46 x=3 Therefore, the molecular formula is 3(C2H6O) that is C6H18O3


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 2 organic chemicals have the formula C2H6O?

Ethanol is C2H5OH and dimethyl ether is CH3-O-CH3. Both are C2H6O.


What is the empirical formula of C10H4?

It is an empirical formula.


What does C2H6o mean?

C2H6O is the chemical formula for ethanol, also known as ethyl alcohol. It is a common type of alcohol found in alcoholic beverages.


What is the relationship between empirical formula and formula unit?

A formula unit is an empirical formula.


What the empirical formula for c12h12?

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


What kind of hydrogen atom in the chemical formula C2H6O?

The hydrogen atoms in the chemical formula C2H6O are bonded to either carbon or oxygen atoms. In ethanol (C2H6O), the hydrogen atoms are bonded to carbon atoms in the -CH3 and -CH2 groups, as well as to the oxygen atom.


What is the emperical formula of water?

It Has No Empirical Formula.


How do you know if a formula is an empirical formula?

An empirical formula has no data about the structure of a compound.


What is the empirical formula of azulene?

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