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What is the formula for the molecular mass of a compound?

Updated: 8/21/2019
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Q: What is the formula for the molecular mass of a compound?
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How does molecular mass and formula mass are related to the mass of a compound?

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What are the sum of atomic masses of all atoms formula for a compound called?

It is called the molar mass of that compound. In other words, the total mass of all of the elements in a compound is equal to one mole of that compound.


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

The molecular formula of a compound can not be determined solely based on its molar mass. In this case, without additional information, it is not possible to determine the molecular formula of the compound CH2.


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

C5h10


The term formula mass can be applied to ionic compound and molecular compuonds because?

The term formula mass is generally defined as the mass of a unit cell in an ionic compound. Molecular compounds are just defined in terms of molecular mass.


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 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 the molecule that has an empirical formula of CH2O and a molar mass of 120.1g?

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


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

The empirical formula CH2 has a formula mass of 14, and 42.0/14 = 3. Therefore, the molecular formula is C3H6.


The molecular mass of the compound is 132 amu. What is the molecular formula?

This is impossible. In order to find this you must know the elements in the compound


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 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.