Question #a1d40

1 Answer
SupernovaT
Dec 16, 2017

Molecular Mass is the sum is all relative atomic masses within a molecule.

Explanation:

Relative Atomic Mass applies to a given atom. For example an Oxygen atom has a relative atomic mass of 16.

Relative Molecular Mass is the overall mass of a molecule. This is calculated by adding up the relative atomic masses for each atom within a molecule.

For example; Ethanol (#C_2H_6O#). Carbon has a relative atomic mass of 12, Hydrogen 1 and Oxygen 16. Therefore, the relative molecular mass of ethanol is 46.

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