Question:
Which of the following pairs have the same number of atoms?
(i) 16 g of O2(g) and 4 g of H2(g)
(ii) 16 g of O2 and 44 g of CO2
(iii) 28 g of N2 and 32 g of O2
(iv) 12 g of C(s) and 23 g of Na(s)
Solution:
Option (iii) 28 g of N2 and 32 g of O2 and (iv) 12 g of C(s) and 23 g of Na(s) are the answers.