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MMLU-Pro / 4296 / KMnO_4 is added to a 350 ml solution of an approximately 3% H_2O_2 solution. It…

Problem

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question

KMnO_4 is added to a 350 ml solution of an approximately 3% H_2O_2 solution. It is found that 3.94 cm^3 of O_2 gas is re-leased. It is collected over H_2O at a pressure (barometric) of 0.941 atm and 28°C. Assuming that the pressure due to water vapor is 0.0373 atm, what is the actual concentration of the H_2 O_2 solution?

category

chemistry

options

  1. 7.88 × 10^-3 M
  2. 1.44 × 10^-4 M
  3. 4.12 × 10^-4 M
  4. 2.88 × 10^-4 M
  5. 0.941 M
  6. 6.82 × 10^-5 M
  7. 1.97 × 10^-4 M
  8. 1.48 × 10^-3 M
  9. 5.29 × 10^-4 M
  10. 3.94 × 10^-4 M

src

stemez-Chemistry

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Source and history

upstream_id / Original problem ID
4296
task_id
858fa9d2-d9df-5c99-ba88-670e96434f48
task_key
default--test--4296
task_revision_id
1
config / split
default / test

Official source

initial import