Question

calculate the number of molecules present in 1 mol of oxygen at STP​

Answer 1

1 mol is 6 x 10^23 molecules

1 mol of any substance is 6x 10^23 items. This is our SI system used throughout the sciences for counting particles. see also Avogadro’s Number.

Answer 2

Answer:

1 mol of any substance is equal to 6 × 10²³ molecules