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What is the mass percent composition of an element in a molecule?

A. The element's mass in the empirical formula divided by its molecular formula mass

B. The fraction of the molecule's mass that comes from the element's mass

C. The fraction of the element's mass that comes from one atom of the element

D. The fraction of the total number of atoms in the molecule that comes from the element ​

Respuesta :

Answer:

Try B. The fraction of the molecules mass that comes from one atom of the element

Answer:

b

Explanation:

a p e x :)

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