Textbook ExpertVerified Tutor
1 Nov 2021
Given information
Here the given information is:
The amu is 
of the mass of an atom of 
.
The mole of a substance contains the same number of particles as exactly 
of .
Step-by-step explanation
Step 1.
The atomic mass of an element indicates how many times the mass of one atom of the element is heavier in comparison to 
part of the mass of one atom of 
.
It is also defined as the unified mass (u).
One mole of a substance represents that amount of it which contains as many particles as there are atoms in exactly of .
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