The density of hydrogen at 0°C and 760 mm Hg pressure is 0.00009 g/cc. What is the rms speed (cm/sec) of hydrogen molecules? (A) 3.9 × 10 4 (B) 2.5 × 10 4 (C) 1.0 × 10 4 (D) 1.84 × 10 5 Share with your friends Share 4 Srashti answered this It's d option -3 View Full Answer Prakash answered this Kinetic theory of gases -1 Vikash Singh answered this The density of hydrogen at 0 degree celcius and 760mm Hg pressure is 0.00009 g/cc what is the RMS speed of hydrogen molecules -2