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MMLU-Pro / 4196 / 2KClO_3 (s) …

Problem

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

question

2KClO_3 (s) \rightarrow 2KCl (s) + 3O_2 (g). He collects the O_2 gas by water displacement at 20°C. He observes a pressure of 753 mm Hg. Assuming the pressure of water vapor is 17.5 mm Hg at 20°C and he started with 1.28 g of potassium chlorate (KClO_3) what volume of gas is produced? (R = .0821 l-atm/mole °K.)

category

chemistry

options

  1. 420 ml
  2. 430 ml
  3. 390 ml
  4. 300 ml
  5. 410 ml
  6. 360 ml
  7. 450 ml
  8. 350 ml
  9. 480 ml
  10. 330 ml

src

stemez-Chemistry

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Source and history

upstream_id / Original problem ID
4196
task_id
c70dc28c-a26e-5580-af1d-050bee3574b4
task_key
default--test--4196
task_revision_id
1
config / split
default / test

Official source

initial import