Question

You are given sample of $1{\text{cm}}^3$ of $H_2$, $1{\text{cm}}^3$ of $O_2$ and $1{\text{cm}}^3$ of $C{l}_2$ which are at STP. The sample which has maximum number of molecules is

• A. $H_2$
• B. $O_2$
• C. $C{l}_2$
• D. All have same value

Answer 1

The correct option is D All have same value

According to the Avogadro's law, for same condition of temperature and pressure, equal volume of different gases contain an equal number of molecules.