Question

The volume of a mole of a perfect gas at NTP is

• A. $22.4$ litres
• B. $24.04$ litres
• C. $100$ litres
• D. $44.8$ litres

Answer 1

The correct option is A $22.4$ litres

AT STP

$\Rightarrow$ Pressure $=1$ bar $1atm$

$\Rightarrow$ Temperature $=273K$

For ideal gas $\to$

$\Rightarrow V_{molar}=\frac{TRn}{P}$

$\Rightarrow V_{molar}=\frac{273\times \left(\frac{0.08205Latm}{molK}\right)}{1atm}$

$\Rightarrow V_{molar}=22.39L\approx 22.4L$

AT NTP

$\Rightarrow$ Pressure $=1atm$

$\Rightarrow$ Temperature $=293K$

For ideal gas $\to$

$\Rightarrow V_{molar}=\frac{293\left(0.08205\right)}{1atm}$

$\Rightarrow V_{molar}=24.04L$

Hence, the answer is $24.04L$