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MMLU-Pro / 3698 / At 25°C, the vapor pressure of water is increased from 30 to 31 mm Hg against an…

Problem

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

question

At 25°C, the vapor pressure of water is increased from 30 to 31 mm Hg against an external pressure of 10 atm. If the vapor pressure is to be maintained at 30 mm Hg for 1 liter (55.5moles) of water at 25°C and 10atmpressure, a) How muchNaClis to be added to the water? b) What is the osmotic pressure of this solution ifNaClforms an ideal solution with the water?

category

chemistry

options

  1. 0.904 moles of NaCl, 10 atm
  2. 0.950 moles of NaCl, 12 atm
  3. 1.022 moles of NaCl, 8 atm
  4. 0.800 moles of NaCl, 16 atm
  5. 0.850 moles of NaCl, 13 atm
  6. 0.890 moles of NaCl, 15 atm
  7. 1.100 moles of NaCl, 11 atm
  8. 1.050 moles of NaCl, 7 atm
  9. 0.970 moles of NaCl, 14 atm
  10. 0.750 moles of NaCl, 9 atm

src

stemez-PhysicalChemistry

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Source and history

upstream_id / Original problem ID
3698
task_id
f3a1c690-3371-5d71-8487-9209843760ce
task_key
default--test--3698
task_revision_id
1
config / split
default / test

Official source

initial import