What is formula unit of mass? How is it different from molecular mass?
Question
What is formula unit of mass? How is it different from molecular mass?
Solution
The formula unit mass of a substance is the sum of the atomic masses of all atoms in a formula unit of a compound, measured in atomic mass units (amu). It is used for ionic compounds, where the smallest unit is a formula unit.
On the other hand, molecular mass refers to the mass of a single molecule, which is the sum of the atomic masses of all the atoms in a molecule. It is used for covalent compounds, where the smallest unit is a molecule.
The key difference between the two is the type of compound they refer to. Formula unit mass is used for ionic compounds, while molecular mass is used for covalent compounds.
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