Question

what will be the weight of 1litre hydrogen gas at NTP​

Answer 1

Answer:

Assuming standard temperature and pressure we know that 22.4 litres is 1 mole. 1 mole weighs 2g. So 1 litre is 1/22.4 moles of hydrogen gas. So the requires weight is 2/22.4 grams.

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Answer 2

Answer:

0.0893g

Explanation:

1 mole of H2 molecule =6.022×10^23(H2 molecule)=22.4 litre of volume of H2 gas

1 mole of H2 molecule =1 mole of H ato. +1 mole of H atom(because there are 2 atoms of hydrogen in hydrogen gas )

1 mole of H2 molecule =1 mole of H atom+1 mole of H atom

1 mole of H2 molecule =1g +1g =2g

22.4 litre of H2 gas =2g

1 litre of H2 gas =2/22.4g

1 litre of H2 gas =0.0893 g

1 litre volume of H2 gas contains 0.0893 g of H2 gas (in terms of mass)