Answer:

QUESTION

It is the sum of the atomic masses of all its constituent elements.

☛Answer☚

• . A. Atomic mass or
• D. Molecular mass

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The formula mass of a substance is the sum of the average atomic masses of each atom represented in the chemical formula and is expressed in atomic mass units. The formula mass of a covalent compound is also called the molecular mass.

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reminder my answer is. Based on what I understood pls mark me brainliest thanks

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correct my answer in case it is wrong