Question

No of molecules in 52 mole of Ar

Answer 1

1 mole of Ar = 6.022 × 1023 atoms of Ar

52 mole of Ar = 52 × 6.022 × 1023 atoms of Ar

                      = 3.131 × 1025 atoms of Ar

Answer 2

1 mole of Ar contains 6.023×10²³ molecules

52 moles of Ar contains 52×6.023×10²³ molecules

52 moles of Ar contains 3.13×10²⁵ molecules