Question

find the mass of 122cm³ of hydrogen gas at NTP​

Answer 1

Answer:

ANSWER

The volume occupied by 1 mole of any gas at STP is 22400 cubic cm

Number of moles of 112 cubic cm of hydrogen gas =22400112=0.005 moles

The molar mass of hydrogen gas= 2 g

Weight of hydrogen gas =0.005×2=0.01 gm