Question

What is Atomic mass and Molecular mass?

Answer 1

✌️✌️ hey mate,
➡️Atomic mass of an element is the weighted average mass of its isotopes.
It is basically the same as the mass number
(the number of protons + number of neutrons in an element).
It is also similar to molar mass (mass of one mole of the substance).

➡️Molecular mass
It is calculated as the sum of the atomic weights of each constituent element multiplied by the number of atoms of that element in the molecular formula

thanks....
nice to help you ✌️✌️

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Answer 2

here is ur ans


An atom is such small a particle that it cannot be seen or isolated. Therefore, it is impossible to determine the actual mass of a single atom by weighing it. However, Avogadro’s hypothesis finally solved the problem. He took equal volumes of two different gases under similar conditions of temperature and pressure. He then weighed them.


Molecular Mass

The molecular mass of a substance is the number of times the molecule of the substance is heavier than one-twelth the mass of an atom of carbon -12. Or, the molecular mass is equal to the sum of its atomic masses of all the atoms present in one molecule of a substance. For eg: Water (H2O)

Atomic mass of H= 1 unit
Atomic mass of O =16 units
The molecular mass of water = 2 × atomic mass of H+1 × atomic mass of O
= 2 × 1 + 16 × 1
= 18 units

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