Question

A cylinder contains hydrogen gas at pressure of
249 kPa and temperature 27°C. Its density is :
(R = 8.3 J/mol/K)
(1) 0.2 kg/m³
(2) 0.1 kg/m³
(3) 0.02 kg/m³ (4) 0.5 kg/m³​

Answer 1

Answer:

HELO

Explanation:

PLS MARK ME BRAINLIST