A) \[16\] gram atoms
B) \[32\] gram atoms
C) \[14\] gram atoms
D) \[36\] gram atoms
Correct Answer: A
Solution :
Atomic weight of an element expressed in grams is called gram atomic weight or gram atom (or) quantity of an element that contains \[6.023\times {{10}^{23}}\]atoms is called gram atom. Number of gram atoms of oxygen\[=\frac{\text{weight}\,\,\text{of}\,\,\text{element}}{\text{Gram}\,\,\text{atomic}\,\,\text{element}}=\frac{256\,\,g}{16\,\,g}=16\,\,g\]
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