What is molecular mass?
Show answer & explanation
Correct answer: C
Explanation
Correct Answer: Option 3 (The sum of the atomic masses of all atoms in a molecule)
Explanation:
Molecular mass is equal to the sum of the atomic masses of all atoms in a molecule. It is calculated by adding the atomic masses of all elements based on the molecule's formula.
Additional Facts:
Atomic mass is usually measured relative to carbon-12.
The unit of molecular mass is 'amu' (atomic mass unit).
Molar mass (g/mol) is numerically equal to molecular mass.
Possible Questions for the Upcoming Exam:
How is molecular mass calculated?
(Answer: The sum of the masses of all atoms)
What is atomic mass measured relative to?
(Answer: Carbon-12)