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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.

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How does one determine a molecule formula from the empirical formula?

The density or some other information must be given that allow you to find the molar mass. Calculate the empirical formula mass. Divide molar mass by empirical formula mass. This answer is multiplied by all subscripts of the empirical formula to get the molecular formula.


What information is needed to determine molecular formula?

the empirical formula and the molar mass


What Process of using empirical formula and the value for experimental molar mass to determine the molecular formula?

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).


How do you calculate Molecular formula from empirical formulaWhat could you do with that information to determine that the empirical and molecular formulas are related to one another by a factor of 6?

To calculate the molecular formula from the empirical formula, you need to determine the molecular mass of the compound and then divide it by the empirical formula mass to find the factor between the two. If the factor is 6, it means the molecular formula is 6 times the empirical formula, indicating that there are 6 times as many atoms of each element in the molecular formula compared to the empirical formula.


How does one determine a molecular formula from the empirical form?

To determine the molecular formula from the empirical formula, you need the molar mass of the compound. Divide the molar mass of the compound by the molar mass of the empirical formula to find the "n" constant. Then, multiply the subscripts in the empirical formula by the "n" constant to get the molecular formula.


Choose the empirical formula?

To determine the empirical formula of a compound, you need the molar masses of its elements and their ratio in the compound. Calculate the ratio of the elements in terms of whole numbers, which will give you the empirical formula.


To determine the subscript of an element in a molecular formula the empirical mass must be multiplied by the actual mass?

Determining the subscript of an element in a molecular formula involves comparing the actual mass of the element with its empirical mass, then dividing the actual mass by the empirical mass to find the subscript. This calculation helps to determine the ratio of atoms of a particular element in a compound.


How do you determine the empirical formula of a metal oxide?

To determine the empirical formula of a metal oxide, first determine the moles of metal and oxygen in a given sample. Then, divide the moles of each element by the smallest number of moles to get a whole number ratio. This ratio represents the empirical formula of the metal oxide.


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

To determine the molecular formula from the empirical formula and molar mass, first find the empirical formula mass by adding the atomic masses of the atoms in the empirical formula. Then, calculate the ratio of the molar mass given to the empirical formula mass. Finally, multiply the subscripts in the empirical formula by this ratio to find the molecular formula; for this case, the molecular formula is C6H18O3.


What is the molecular formula of a compound with an empirical formula of C4H9 and a gram formula mass of 114 grams mole?

To determine the molecular formula from the empirical formula and gram formula mass, first calculate the empirical formula mass of C4H9 (4 carbons + 9 hydrogens). Then, divide the gram formula mass by the empirical formula mass to find the ratio. Finally, multiply the subscripts in the empirical formula by this ratio to get the molecular formula, which in this case is C8H18.


Can you determine the molecular formula of a substance from its percent composition?

Not completely. The empirical formula of a substance can be determined from its percent composition, but a determination of molecular weight is needed to decide which multiple of the empirical formula represents the molecular formula.


What do empirical formulas determine?

Empirical formulas determine the ratio of atoms of different elements within a chemical compound and can be derived by dividing the number of each element's atoms by their greatest common factor. They do not necessarily describe the full chemical makeup of a molecule. For example, benzene has the formula C6H6 but its empirical formula is simply CH because there is one hydrogen atom for every carbon atom. Glucose has the molecular formula of C6H12O6; its empirical formula is CH2O. Because the molecular formula for water, H2O, cannot be further simplified (empirical formulas have only whole numbers) H20 is also its empirical formula.