Question:
One mole of oxygen gas at STP is equal to _______.
(i) 6.022 × 1023 molecules of oxygen
(ii) 6.022 × 1023 atoms of oxygen
(iii) 16 g of oxygen
(iv) 32 g of oxygen
Solution:
Option (i) 6.022 × 1023 molecules of oxygen and (iv) 32 g of oxygen are the answers.