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MMLU-Pro / 4122 / Calculate the composition in weight percent of a mixture of 5.00 g of helium and…

Problem

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

question

Calculate the composition in weight percent of a mixture of 5.00 g of helium and argon occupying a volume of 10.0 liters at 25°C and 1.00 atm.

category

chemistry

options

  1. Weight percent He = 35%, Weight percent Ar = 65%
  2. Weight percent He = 50%, Weight percent Ar = 50%
  3. Weight percent He = 10%, Weight percent Ar = 90%
  4. Weight percent He = 40%, Weight percent Ar = 60%
  5. Weight percent He = 70%, Weight percent Ar = 30%
  6. Weight percent He = 25.2%, Weight percent Ar = 74.8%
  7. Weight percent He = 45%, Weight percent Ar = 55%
  8. Weight percent He = 30%, Weight percent Ar = 70%
  9. Weight percent He = 20%, Weight percent Ar = 80%
  10. Weight percent He = 60%, Weight percent Ar = 40%

src

stemez-PhysicalChemistry

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Source and history

upstream_id / Original problem ID
4122
task_id
08926d82-c251-5f80-9259-9e164d3c8820
task_key
default--test--4122
task_revision_id
1
config / split
default / test

Official source

initial import