The mass of an atom of an element is 4 10-23 it's atomic weight is?
Answer (1)
7th Feb, 2019
The mass of an atom of an element is 4 x 10^-23g (10 to the power -23), then find the atomic weight.
Ans: Mass of an atom of given element = 4 x 10^-23g
1 mole has = 6.023 x 10^23 atoms
Atomic weight means mass of all 6.023 x 10^23 atoms
So, atomic weight = 4 x 10^-23 x 6.023 ^ 10^23
= 24.092g
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