Question

What is the number of atoms in 96g of O2?

Answer 1

Explanation:

Molar mass of O2=32g=M

Given Mass of O2=96g=m

No.of particles=X

Avogadro's Number=6.022x10^23=N(a)

According to Question

m/M=X/N(a)

96/32=X/6.022x10^23

3=X/6.022x10^23

X=3x6.022x10^23

X=18.066x10^23 atoms