question_answer 60)

  One mole of oxygen gas at STP is equal to: (a) \[6.022\times {{10}^{23}}\] molecules of oxygen (b) \[6.022\times {{10}^{23}}\] atoms of oxygen (c) 16 g of oxygen (d) 32 g of oxygen

Answer:

  (a, d)  1 mol of \[{{O}_{2}}\] gas at STP will contain \[6.022\times {{10}^{23}}\]molecules and its mass will be 32 g.