46. The number of molecules in a gas at pressure

1.64×10^-3 atmospheres and temperature 200 K having the volume 1 cc are

(a) 6.02×10¹⁶                          (b) 2.63×10¹⁶

(c) 3.01×10¹⁹                         (d) 12.04×10¹⁹

Answer-a

(16)