AP EAPCET 25-Aug-2021 Shift 2 Paper

Given, 3.011×1022 atoms of an element weight =1.15g
Now,
6.023×1023(NA) atoms of an element will weight
=1.15×

6.023×1023

3.011×1022

=23g
The atomic mass of the element is 23g∕mol or amu.
Note NA= number of units in one mole of any
substance =6.02214076×1023