Question

Calculate the number of atoms/molecules present in

(a) 1 mole of sulphur.
(b) 2 moles of oxygen gas.

Answer 1

1 mole contains 6.02 ×10^23 atoms

1 mole of Sulphur will contain 6.02 ×10^23 atoms

2moles of. Oxygen will contain 2 x 6.02×10^23 atoms. This gives 12.04 × 10^23 atoms