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MMLU-Pro / 3885 / An 11-liter flask contains 20 g of neon and an unknown weight of hydrogen. The…

Problem

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question

An 11-liter flask contains 20 g of neon and an unknown weight of hydrogen. The gas density is found to be 0.002 g/cc at 0°C . Calculate the average molecular weight and the number of grams of hydrogen present, and also the pressure. The atomic weight of neon is 20 g/mole.

category

chemistry

options

  1. 4 gm of hydrogen, 12.5 gm/mole, 4.6 atm
  2. 1.2 gm of hydrogen, 9.8 gm/mole, 3.2 atm
  3. 1.5 gm of hydrogen, 10.2 gm/mole, 3.9 atm
  4. 0.5 gm of hydrogen, 9.5 gm/mole, 2.9 atm
  5. 3 gm of hydrogen, 12 gm/mole, 4.5 atm
  6. 3.5 gm of hydrogen, 11.8 gm/mole, 4.3 atm
  7. 2 gm of hydrogen, 11 gm/mole, 4.07 atm
  8. 2.5 gm of hydrogen, 10.5 gm/mole, 3.8 atm
  9. 2.5 gm of hydrogen, 11.5 gm/mole, 4.2 atm
  10. 1 gm of hydrogen, 10 gm/mole, 3.5 atm

src

stemez-PhysicalChemistry

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