Question

A pure sample of $N_2{O}_5$ gas contains 0.01 moles. Find the volume occupied by the gas sample at standard temperature and pressure conditions (STP).

• A. $1\text{L}$
• B. $0.224\text{L}$
• C. $2.24\text{L}$
• D. $11.2\text{L}$

Answer 1

The correct option is B $0.224\text{L}$

1 mole of a gas occupies $22.4\text{L}$ volume at STP.
Hence 0.01 moles occupy = $\frac{22.4}{1}\times 0.01\text{L}=0.224\text{L}$