Question

How many moles are there in 1 $metr{e}^3$ of any gas at NTP?

Answer 1

Number of moles in 22.4 L at NTP = 1 mole

Number of moles in 1 L at NTP $=\frac{1}{22.4}mol$

Now,

$1m^3={10}^{3}litres$

Number of moles in 1000 L or 1 cubic metre at NTP $=\frac{1}{22.4}\times 1000=44.64mol$