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CH = 13 so 78/13 = 6 The compound is C6H6 = benzene (most likely).

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Q: What is the molecular formula of a compound with an empirical formula of CH and a molecular mass of 78?
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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.


How to calculate Molecular formula from empirical formula?

If you know the molar mass of the compound, you have to calculate the mass of the empirical formula and divide the molar mass of the compound by the mass of the empirical formula in order to find the ratio between the molecular formula and the empirical formula. Then multiply all the atoms by this ratio to find the molecular formula!


What is the molecular formula of a compound having the empirical formula of CH2O and a molecular mass of 120amu?

The molecular mass of a compound with the formula CH2O is approx. 30, not 120.


The empirical formula of a compound is ch2its molecular mass is 70 gmol what is its molecular formula?

C5h10


Can an empirical formula be a molecular formula?

Yes, the empirical formula is the most basic ratio of the elements in a compound, while the molecular formula is the ratio in a compound. For instance C5H10O could be both the empirical and the molecular formula or the molecular formula could be C10H20O2 the molecular formula depends on the molar mass.


What is the molecular formula of a compound that has a molecular mass of 54 and the empirical formula C2H3?

C4H6. C2H3 gives a molecular mass of 27, 54/27 gives 2. Therefore the molecular formula is twice the empirical formula.


What is the molecular formula of a compound with the empirical formula P2O5 and a gram-molecular mass of 284 grams?

the answer is: P4O10


The empirical formula of a compound is CH2O The molar mass of the compound is 180 g What is the molecular formula for this compound?

C6h12o6


What is the molecular formula of a compound with the empirical formula C13H19O2 and molar mass of 414.64g?

C26h38o4


What is the molecular formula of a compound that has a molecular mass of 92 and an empirical formula of No2?

The formula of NO2 has a molecular weight of 46 g/mol. Your compound has a molecular weight of 92 g/mol. As you can see the molecular weight of the compound is twice that of the empirical formula. Therefore the molecular formula of your compound is:2 *(NO2) ---> N2O4


What is the molecular formula of a compound given that molar mass of the compound is 30.04 gram and the empirical formula is NH?

The molecular formula of this compound is N2H2. This is obvious because the empirical formula of a compound is the lowest positive integer ratio of atoms present.


The mole establishes a relationship between the?

the molecular mass of a compound and its empirical formula


What is the molecular formula of a compound with the empirical formula NH2Cl and molar mass of 51.5g mol?

Nh2cl


A compound has a molecular mass of 60 and empirical formula of ch3 what is the molecular formula?

Since carbon has an atomic mass of 12 and hydrogen has an atomic mass of 1, the mass of the empirical formula is 12 + 3 = 15. 60/15 = 4; therefore, the molecular formula is C4H12.


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

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)


What is the molecular formula of a compound whose empirical formula is CH3 and whose molar mass is 30 gmol?

The molecular formula of ethene is C2H6.


How do you get from emperical formula to molecular formula?

By determining the molecular mass, then dividing the molecular mass by the formula mass of the empirical formula to determine by what integer the subscripts in the empirical formula must be multiplied to produce the molecular formula with the experimentally determined molecular mass.


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

C8h18


What is the molecular formula of a compound with the empirical formula NO and a molar mass of 138.02 grams per mole?

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What is the molecular formula of compound CH2 with a molar mass of 42.0?

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How dos one determine the molecular formula from the empirical formula?

molar mass/ empirical formula mass


The empirical formula for cumene a compound containing only carbon and hydrogen is C3H4. Its Molecular mass is 120 g. What is the molecular formula for cumene?

This molecular formula is C9H12.


A compound with the empirical formula SN was found in a subsequent experiment to have a molar mass of 184.32 gmol. What is the molecular formula of the compound?

The empirical formula of SN has a formula unit mass of the sum of the gram atomic masses of nitrogen and sulfur, i.e., about 46.0667. The gram molecular mass given in the problem divided by this formula unit mass is about 4. Therefore, the molecular formula is S4N4.


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?

In order to find molecular formula from empirical formula, one needs to know the molar mass of the molecular formula. Then you simply divide the molar mass of the molecular formula by the molar mass of the empirical formula to find out how many empirical formulae are in the molecular formula. Then you multiply the subscripts in the empirical formula by that number.


What is the molecular formula of a compound that has an empirical formula of c2oh4 and a molar mass of 88 grams per mole?

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