Question

1 How formula unit mass is different from molecular mass?​

Answer 1

Answer

The key difference between formula unit mass and molecular mass is that the value of formula unit mass is always smaller or similar to the molecular mass of the same substance whereas the value of molecular mass is always larger or similar to the formula unit mass of the same substance.

Explanation:

Answer 2

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Formula mass is defined as the sum of atomic masses of the ions present in the formula unit of an ionic compound .

molecular mass is the sum of the atomic masses of the atoms in a molecule .

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