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MMLU-Pro / 3671 / A flask containing H_2 at 0°C was sealed off at a pressure of 1 atm and the gas…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A flask containing H_2 at 0°C was sealed off at a pressure of 1 atm and the gas was found to weigh, 4512 g. Calculate the number of moles and the number of molecules of H_2 present.

category

chemistry

options

  1. 0.2250 moles, 1.350 × 10^23 molecules
  2. 0.2238 moles, 6.023 × 10^23 molecules
  3. 1.500 moles, 9.033 × 10^23 molecules
  4. 2.016 moles, 6.023 × 10^23 molecules
  5. 0.112 moles, 6.750 × 10^22 molecules
  6. 0.2238 moles, 1.348 × 10^23 molecules
  7. 0.4512 moles, 2.706 × 10^23 molecules
  8. 1.000 moles, 6.022 × 10^23 molecules
  9. 0.4512 moles, 1.348 × 10^23 molecules
  10. 2.224 moles, 1.340 × 10^24 molecules

src

stemez-Chemistry

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Source and history

upstream_id / Original problem ID
3671
task_id
82a8e9e7-ad03-5ae1-8ff8-daac95c1d541
task_key
default--test--3671
task_revision_id
1
config / split
default / test

Official source

initial import