Question

3. Define 'formula mass' of a compound.​

Answer 1

Answer:

The formula mass of a molecule is the sum of the atomic weights of the atoms in the empirical formula of the compound. The formula weight) is the sum of the atomic weights of the atoms in the empirical formula of the compound Formula.

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Answer 2

Answer:

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. ... The mass in grams of 1 mole of substance is its molar mass.