Q. Out of 1.0 g dioxygen, 1.0 g (atomic) oxygen and 1.0 g ozone, the maximum number of molecules are contained in
A) 1.0 g of atomic oxygen
B) 1.0 g of ozone
C) 1.0 g of oxygen gas
D) All contain same number of atoms
Explanation
(a)
Number of molecules $= \frac{mass \times N_{A}}{molar\ mass}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.