Respuesta :
The formula mass of a compound is the sum of the atomic masses of its atoms.
Hence, option (A) is correct answer.
What is Formula Mass of compound ?
The formula mass (also known as formula weight) of a substance is defined as the sum of the atomic masses of each atom represented in the chemical formula. The formula mass of covalent compounds are known as Molecular Mass. This is generally used for ionic compounds.
What is Ionic Compound ?
The compounds which are made up of ions that forms charged particles when group of atoms loses or gain electrons is known as Ionic Compound.
Thus from above conclusion we can say that The formula mass of a compound is the sum of the atomic masses of its atoms.
Hence, option (A) is correct answer.
Learn more about the Ionic Compound here: https://brainly.com/question/2687188
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