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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Shweta Thakur posted an Question
April 25, 2021 • 19:04 pm
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30 points
30 points
- IIT JAM
- Chemistry (CY)
How 1l of h2 at stp is 0.089 grams
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Achyut ranjan gogoi
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At STP condition, we know that 22.4 litres is 1 mole. 1 mole weighs 2g of H2. So 1 litre is 1/22.4 moles of hydrogen gas. So the weight is 2/22.4 gm=0.089 gm
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Amol ashok pawar
1 mole of H2 molecules = 6.023 X 10 ^23 (H2 molecule)= 22.4 liters of volume of H2 gas 1 mole of H2 molecules = 1 mole of H atom +1 mole of H atom (because there are two atoms of hydrogen in hydrogen gas) 1 mole of H2 molecules = 1 mole of H atom +1 mole of H atom 1 mole of H2 molecules = 1g + 1g = 2g 22.4 liters of H2 gas = 2g 1 liter of H2 gas = 2/22.4 g 1 liter of H2 gas = 0.0893 g 1 liter volume of H2 gas contains 0.0893 g of H2 gas (in terms of mass)
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Dinesh khalmaniya 1 Best 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.