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Answered 2010-10-21 20:26:48

The same way you calculate the molecular mass of any compound.

Alternatively, if you know the mass of one isomer, you don't need to do any calculations. All isomers having the same formula have the same mass.

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The molecular mass of a compound is the sum of the chemical elements weights contained in the molecule.



Molecular weight is just an older term for molar mass. They are the same.


HI, A MOLE IS MOLECULAR MASS. MOLECULAR MASS OF SODIUM IS 23. HENCE, 1.22 MOLE = 1.22*23 = 28.60


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!


The molecular mass of NaCl is 58,439 769 28 g.


If you think to molecular mass this is the sum of atomic weights of the atoms contained in the molecule.


We balance the chemical equations to calculate the molecular mass .


Isomer is the term used for chemical compounds having the same molecular formula, in physics the term isomer is meaningless although the term Isotope is used.


That depends which isomer of propanol you are asking about. CH3CH2CH2OH or n-propanol, the molecular weight is 60.09 g/mol (CH3)2CHOH or isopropyl alcohol, the molecular weight is 60.10 g/mol


Same molecular formula but different structure is a structural/functional ISOMER.


The results of a titration will tell you the number of moles present in the analyte. If you then also know the mass of this analyte, you can calculate the molecular weight as mass/moles.


Water molecules are composed from hydrogen and oxygen. Their atomic masses are 1 and 16 respectively. The molecular mass of water is 2x1+16=18u.


Yes. Glucose and fructose have identical molecular formula: C6H12O6.


If they're isomers, they by definition have the same molecular formula.


With a molecular formula we can calculate the molar mass and the chemical composition of a compound, also we can write chemical equations.


The formula is number of moles = mass / molecular weight. Therefore, you have to multiply moles by molecular weight. The molecular weight can be found from the periodic table.


Multiply the atomic mass of fluorine by 2, giving you a value of 37.997 g mol-1.


You divide the 6.073 by 6.022x1023 (avagadros number) to get the moles, then multiply by molecular mass (18) to get mass in grams


atomic mass OF Na=23 atomic mass of Cl=35.5 now, for calculating molecular mass of NaCl=23+35.5=58.5


I assume you mean the molecular mass. Its molecular mass is 342.3g/mol


I assume you mean the molecular mass. Its molecular mass is 86.175


Yes. And no, that's not an answer from a wise guy. A chemical isomer is a different "version" of a substance that has the same chemical formula but with a different molecular structure, and, therefore, different chemical and physical properties. Both fructose and glucose have C6H12O6 as their chemical formula, and each is an isomer of the other.


The Molecular mass of chlorophyll is 893.49


The molecular mass of cytosine is 111,10.