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Atoms and Atomic Structure

How do you find he mass of one molecule of a substance?

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August 15, 2010 5:37PM

- calculate the molecular mass of the substance from the atomic weights of the contained elements

- 1 molecule gram of any substance contain 6,023 141 79.1023 molecules (Avogadro number)

- mass of a single molecule is:

Molecular mass in grams/Avogadro number