GC Atomic Structure

The number of aluminium ions present in 54 g of aluminium (atomic weight 27) is

  1. 2
  2. 18
  3. 1.2 x 1024
  4. 1.1 x 1024

Answer

From mole concept, 27 g has 6.022×1023 ions.

54 g will have 2 x 6.022×1023 = 1.2 x 1024

The correct option is C.