2.5 g of a hydrate barium salt gave on heating, 2.13 g of the anhydrous…

2.5 g of a hydrate barium salt gave on heating, 2.13 g of the anhydrous salt. Given that the relative molecular mass of the of the anhydrous salt is 208, the number of molecules of water of crystallization of the barium salt is
  • A.
    10
  • B.
    7
  • C.
    5
  • D.
    2
  • E.
    1
Correct Answer: Option D
Explanation