Q. For an ideal gas, number of mol per litre in terms of its pressure $p,$ temperature $T$ and gas constant $R$ is
A) $pT/R$
B) $pRT$
C) $p/RT$
D) $RT/p$
Explanation
(c)
Ideal gas equation
$\ \ \ pV = nRT$
$If\ \ \ V = 1\ L$
$\ \ \ \ \ \ n = \frac{p}{RT}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.