Answer: 368 grams of sodium reacted.
Explanation:
The balanced reaction is :

According to stoichiometry :
2 moles of
are formed from = 2 moles of 
Thus 16 moles of
are formed from=
of 
Mass of 
Thus 368 grams of sodium reacted.
A. immigration, how is this chemistry?
They have the same number of electrons in their outer shells. Elements in the same group often share similar chemical properties because the outer electrons generally determine a lot of their properties