Question

What is difference between atomic weight and molecular weight?

Answer 1

Answer:

The atomic weight of a chemical element is the weight of N0 atoms of it. The atomic weights of the elements are included in the periodic table of the elements. ... The molecular weight of a molecule is equal to the sum of the atomic weights of its constituting atoms.

The atomic weight of an element is the weighted average of the atomic masses of the different isotopes of an element

Ex : carbon, for example, is a mixture of two isotopes,

12C (98.89%) and 13C (1.11 %). Individual carbon atoms therefore have a mass of either 12.000 or 13.03354 amu. But the average mass of the different isotopes of carbon is 12.011 amu.

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Answer 2

Answer:

atomic weight = the atomic weight of the elements are inculde d in the periodic table.

molecular weight =the molecular weight of a molecule is the weight numberof such molecules.

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