Question

4*10²² atoms of an element weights 12gm.The gram atomic weight of the element is......please help me I am confused​

Answer 1

Answer:182.5gram

Explanation:

12gm of the element has - 4x10^22 atoms

1gm- (4x10^22)/12 = (1/3)x10^22

Thus we know that gram atomic weight of element is avogardo number/ no of moles

=6.023x10^23/0.33x10^22

=182.5gm