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MMLU-Pro / 4114 / A common method for commercially peeling potatoes is to soakthem for 1 - 5…

Problem

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question

A common method for commercially peeling potatoes is to soakthem for 1 - 5 minutes in a 10 - 20% solution ofNaOH (molecularweight = 40.0 g/mole) at 60 - 88°C, and to spray offthe peel once the potatoes are removed from solution. As aneconomy measure, a manufacturer titrates theNaOH solutionwith standardized H_2SO_4 (molecular weight = 98.0 g/mole) at the end of each day to determine whether the solutionis still capable of peeling potatoes. If, at the end of oneday, he finds that it takes 64.0 ml of a 0.200 M solution ofH_2SO_4 to titrate a 10.0 ml sample ofNaOHsolution to neutrality, what concentration ofNaOHdid he find?

category

chemistry

options

  1. 2.56 M
  2. 0.32 M
  3. 0.16 M
  4. 1.28 M
  5. 5.12 M
  6. 2.00 M
  7. 4.00 M
  8. 3.12 M
  9. 1.92 M
  10. 0.64 M

src

stemez-Chemistry

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Source and history

upstream_id / Original problem ID
4114
task_id
20116d0c-8bfd-548e-8600-ecbefbfebf32
task_key
default--test--4114
task_revision_id
1
config / split
default / test

Official source

initial import