Question

Which one of the following pairs of gases contains the same number of Atoms?
(A) 32g of O2, 17g of NH3
(B) 32g of O2, 14g of N2
(C) 28g of N2, 17g of NH3
(D) 56g of N2, 17g of NH3​

Answer 1

Answer:

Ans A

Explanation:

x

mole = ---------

mass of the molecule

For O2 x=32 mass=32

mole=1

For NH3 x= 17 mass=17

mole=1

hence they both contains same no of atoms i.e.

Avavadro number

I hope it may help ful for u